Seiko Calibers

Movt. # Prefix # Winding Model Name Model # Jewels Made
Year		 Made
Loc.		 Diam; Thick Beats/sec
10 A Hand 10Solar 10S 19 D 15.5 x 13; 3.5t 5.5
10 B, C Hand 10Solar 10S 17 - 21 15.5 x 13; 3.5t 5.5
10 M Hand 10Solar 10S 17 15.5 x 13; 3.5t 5.5
10 04A,B Hand 10Angel 10AN 21 15.5 x 13; 4.4t 5.5
10 04C Hand 10Angel 10AN 17 - 21 15.5 x 13; 4.4t 5.5
10 04D,M Hand 10Angel 10AN 17 15.5 x 13; 4.4t 5.5
10 20A,B,C Hand 10QueenSeiko 10QS 23 1964 D 15.5 x 13; 3.5t 5.5
10 40A Hand 10Solar Special 10SL 23 15.5 x 13; 3.5t 5.5
11 A Hand 11Solar 10S 17 - 21
11 04A Hand Salvia SV 17 - 21 15.5 x 13; 4.4t 5.5
11 20A Hand 11Queen Seiko 11QS 23 1970 D 15.5 x 13; 3.5t 6
11 20A Hand Belfina/11Queen Seiko Special 11QSL 23
11 40A Hand 11 Solar Special 11SL 23
11 44A Hand Salvia Special SVL 23
15 A Hand Lady Seiko LS 21 1959 D 19.6 x 12.9; 3.5t 6
15 20A Hand Fine Seiko FS 17 19.8 x 9.6; 3.5t 5.5
15 20B Hand Fine Seiko FS 17 - 23
17 A Hand Seiko1700 1700 17 ∅13.5; 3.2t 6
17 A Hand 17Queen Seiko 17QS 17
17 A Hand 17Queen Seiko Special/17 Belfina 17QSL 20 1969 D
175 Hand Sportsman 15 1960 S
18 A Hand Universe UN 21 1960 D ∅13.5; 3.0t 5.5
18 B,M Hand Universe UN 17
19 A Hand Venus VE 17 1960 D 19.6 x 12.9; 3.5t 6
19 04A Hand 19Venus 19VE 17 - 23 19.6 x 12.9; 3.5t 8
19 20A Hand Venus Special VEL 21
19 44A,B Hand Seiko High Beat Chronometer 36000 1944
19 44B Hand Seiko High Beat Chronometer 19CM 23 1967 D 19.6 x 12.9; 4.4t 10
19 64A Hand 19 Grand Seiko 19GS 23 1968 D 19.6 x 12.9; 4.4t 10
19 84A Hand 19 Grand Seiko High Beat V.F.A. 1984 23 1972 D 19.6 x 12.9; 4.4t 10
205 Hand Harmony HA 19 1961 S
21 A,C Hand Sports Lady 17 SLS 17 1961 D 17.8 x 15.3; 3.5t 5.5
21 D Hand Sports Lady 17 SLS 17
21 02A,C Hand Sports Lady 17 Calendar SLSC 17
21 04A,B Hand Chorus CR 17 1961 D 17.8 x 15.3; 4.4t 5.5
21 05A Auto Matic Lady Calendar MALC 21
21 07A Hand Chorus Calendar CRC 17 - 21
21 07B Hand Chorus Calendar CRC 17 - 21 - 23
21 17A Hand Chorus Calendar CRC 17
21 18A Hand 21 Chorus Calendar 21CRQ 17 - 21 - 23
21 19A,B Hand Chorus Weekdater CRW 21
21 40A Hand Seiko 2140 2140 21
21 60A Hand School Time 21ST 17
22 01A Auto Seiko 2201 2201 17
22 02A Hand 22 Chorus Calendar Echo 22CRE 17 - 21
22 02A Hand 22 Chorus Calendar Special 22CCL 23
22 05A Auto 22 Matic Lady Calendar 22NLQ 17 - 21 1970 D ∅17.2; 5.7t 8
22 05A Auto 22 Matic Lady Calendar Special 22MSL 25
22 06A Auto 22 Matic Lady Weekdater 22MLW 17 - 23
22 06A Auto 22 Automatic Weekdater 22ATW 17 - 23
22 20A Hand Seiko 2220 2220 17 - 24
22 42A Hand 22 Chronometer 22CM 23 1971 D ∅17.5; 5.8t 8
22 45A Auto 22 Automatic Chronometer Calendar 22ACM 25
24 06A Hand 2Matic Lady Weekdater 24MLW 23
24 09A Hand Seiko 2409 2409 23
24 11A Hand Seiko 2411 ECharriot 2411 23 1972 D
24 15A Hand Seiko 2415 2415 23
24 18A Hand Seiko 2418 2418 23
24 19A Hand Seiko 2419 2419 23
24 21A Hand Joyfull Special 2421 23
24 26A Hand Joyfull Special 2426 23
24 31A Hand Bellfina Seiko 2431 2431 25
24 25A Hand Bellfina Seiko 2435 2435 25
245 Auto Sportsmatic SMA 17 - 19 1961 S
2451 Auto Sportsmatic SMA 17 - 19
24 66A Auto Joyfull Special 2466 25 1974 D ∅19.4; 4.3t 8
25 01A,B,C Auto 25 Seikomatic Lady 25MAL 17 1965 D ∅17.5; 5.3t 5.5
25 02A Hand Chorus Calendar Special CRCL 17 - 23 1964 D ∅17.5; 5.5t 5.5
25 05A,B Auto 25 Seikomatic Lady Calendar 25MLC 21
25 15B Hand 17
25 16B Auto 21
25 17A,B Auto 25Seikomatic Lady Calendar 25MLQ 17 - 21 1965 D
25 18A,B Hand 25 Chorus Calendar Special 25CCL 23
25 18B Hand 25 Chorus Calendar Echo 25CRE 17 - 21
25 19A,B Hand 25 Queen Seiko 2519 2519 23 1965 D ∅17.5; 3.2t 5.5
25 39A Hand 25 Queen Seiko Special 2539 25 1966 D ∅17.5; 3.2t 5.5
25 59A Hand 25 Queen Seiko High Beat 2559 24 1968 D 8
25 65A Auto 25 Seikomatic Special 25MSL 25
270 Auto Maticlady 21 1960 S 18.4 x 15.3; 5.7t 5.5
27 06A Auto 27 Maticlady Weekdater 27 MLW 17 - 21 1970 D ∅17.5; 5.7t 8
290 Hand Gyro Marvel GM 17 1959 S
2906 Hand Joyfull 17 (21) 1976 D ∅18.4; 5.3t 8
3140 Hand Seikoliner 21 1960 S
3180 Hand Grand Seiko (first model) GS 25 1960 S
330 Hand Queen Seiko 23 1962 D 18.4 x 15.3; 3.5t 5.5
341 Hand Crown Special CWL 23 1961 S
375 Hand Disney Time 7 1961 S
394 Auto Seikomatic Selfdater MAS 24 1962 S
395 Auto Seikomatic Selfdater Quick Set MASK 24
400 Auto Matic Weekdater MAW 33
40 05A Auto Seiko Bellmatic Calendar 40BC 27
40 06A Auto Seiko Bellmatic Weekdater/Business Bell 40BW 17 - 27 1967 S ∅31.2; 7.1t 5.5
402 Hand Skyliner SLN 21 1961 S
410 Auto Sportsmatic 5 SMA5 21 1963 S
430 Hand Grand Seiko Weekdater GSS 35 1963 S
436 Hand Sportsman 17 SMS 17 1960 S
4361 Hand Sportsman 17 SMS 17 1960 S
44 A Hand 44 King Seiko Quick Set KSK 25 1964 D ∅26.0; 4.4t 5
44 02 Hand 44 King Seiko Calendar KSSK 25 1965 D ∅26.0; 4.8t 5
44 20A Hand 44 Grand Seiko/44 King Seiko Chronometer 44GS - EKSCM 27 1964 D ∅26.0; 4.4t 5
44 20B Hand 44 Grand Seiko/44 King Seiko Chronometer 44GS - EKSCM 27 1964 D
45 00A Hand 45 King Seiko 45KS 25 D ∅27.4; 3.65t 10
45 00A Hand 45 King Seiko Chronometer 45KM 25 ∅27.4; 3.65t 10
45 02A Hand 45 King Seiko Calendar 45KSC 25 1969 D ∅27.4; 3.65t 10
45 02A hand 45 Grand Seiko Observatory Chronometer 45KCM 25 ∅27.4; 3.65t 10
45 20A Hand 45 Grand Seiko V.F.A. 45GS 25 1968 D
45 22A Hand 45 Grand Seiko Calendar 45GSC 25 1968 D ∅27.4; 3.6t 10
45 80A Hand 45 Grand Seiko V.F.A. 4580 25 1969 D ∅27.4; 3.65t 10
45 82A Hand 45 Grand Seiko Neuchatel Observatory Chronometer 45GSN 25 1969 D ∅27.4; 3.65t 10
460 Hand Liner Chronometer LNCM 25 1963 S
4S Auto Revised Cal. 52 1992 D
50 00 Hand Tomony 7 1970 S 26.0 x 25.5; 4.4t 6
50 02 Hand Tomony School with Date 7 1970 S 26.0 x 25.5; 4.8t 6
50 05 Auto Tomony Automatic 7 1970 S 26.0 x 25.5; 6.4t 6
50 18 Hand Tomony Seagull Digital Display 7 1974 S 26.0 x 25.5; 5.9t 6
50 C Hand Disney Time 17 1973 S
51 05 ∅26.0; 4.9t 5.5
51 06A Auto 51 Matic Weekdater 51MW 33 1967 D ∅26.0; 4.9t 5.5
51 25 ∅26.0; 5.3t 5.5
51 26A Auto 51 Seiko 5 (DX) 51-5 23 1967 D ∅26.0; 5.3t 5.5
51 39A Auto 51 Seiko 5 (DX) 51-5D 27 D ∅26.0; 5.3t 5.5
51 45 ∅26.0; 5.3t 8
51 46A Auto 51 Seiko Pressmatic Weekdater 51PMW 27 - 30 1969 D ∅26.0; 5.3t 8
52 05 ∅26.0; 3.9t 8
52 06A Auto 52 Loadmatic Special Weekdater 52LMW 23 - 25 1969 D ∅26.0; 3.9t 8
52 16A Auto 52 Loadmatic Special Weekdater 52 LWL 23 - 25
52 45A Auto 52 King Seiko Chronometer (Calendar) 52KCM 25 1971 D ∅26.0; 3.9t 8
52 46A Auto Seiko Vanac 52KWL 25 1973 D ∅26.0; 3.9t 8
52 46A Auto 52 King Seiko Chronometer Weekdater 52KWM 25 1971 D ∅26.0; 3.9t 8
52 56A Auto Seiko Vanac 52KWL 25 1973 D ∅26.0; 4.2t 8
54 A Hand Chronos C 17 - 21 - 23 1958 D ∅26.0; 4.0t 5
560 Hand Crown CW 19 - 21 1959 S
56 01A Auto 56 Loadmatic 56LMA 23 1968 S
56 05A Auto 56 Loadmatic Calendar 56LMC 25 ∅26.0; 4.3t 6
56 06A Auto 56 Loadmatic Weekdater 56LMW 23 - 25 1968 S ∅26.0; 4.3t 6
56 19A Auto 56 Seiko Duotime 56DMC 25 ∅26.0; 4.2t 6
56 21A,B Auto 56 King Seiko 56KA 25 1969 S
56 25A,B Auto 56 King Seiko Calendar 56KAC 25 1968 S ∅26.0; 4.5t 8
56 26A,B Auto 56 King Seiko Chronometer (Calendar) 56KCM 25 1968 S ∅26.0; 4.5t 8
56 26A,B Auto 56 King Seiko Weekdater 56KAW 25 1969 S ∅26.0; 4.5t 8
56 21A,B Auto 56 King Seiko Chronometer Weekdater 56KWM
56 26B Auto Seiko Vanac 56KAW
56 41A Auto 56 Grand Seiko 56GA 25
56 45A Auto 56 Grand Seiko (Calendar) 56GAC 25 1970 S ∅26.0; 4.5t 8
56 46A Auto 56 Grand Seiko Weekdater 56 GAW 25 1970 S ∅26.0; 4.5t 8
57 B Hand Crown CW 21 ∅28.0; 4.7t 5
57 17A Hand Crown Chronometer (Calendar) CWCGC 21 1964 S ∅28.0; 6.1t 5
57 18A Hand Countgraph (Olympic LE) 21 1964 S ∅28.0; 7.3t 5
57 19A Hand Crown Chronograph CWCG 21 1964 S ∅28.0; 6.1t 5
57 20A Hand Grand Seiko GS 25 1960 S ∅28.0; 4.4t 5
57 22A Hand Grand Seiko Selfdater GSS 35 1963 S ∅28.0; 4.7t 5
57 22A,B Hand Grand Seiko Calendar 57GSC 35 1963 S ∅28.0; 4.7t 5.5
57 40A Hand 57 Load Marvel (Engraved Numerals) LMK 23 1964 S ∅28.0; 4.4t 5
57 40B Hand 57 Load Marvel (Applied Seiko Logo) LMK 23 S ∅28.0; 4.4t 5
57 40C Hand 57 Load Marvel 36000 LM36 23 1967 S ∅28.0; 4.4t 10
57 60 Hand Crown Special CWL 23 1961 S ∅28.0; 4.4t 5
57 80 Hand Skeletonized Watch 19 1981 S ∅28.6; 4.1t 6
57 A Hand Crown Selfdater 21 1961 S
603 Auto Seikomatic MA 17 - 20 - 21 - 30 1963 S
60 M Hand Gold Feather GF 17 - 25 1960 D ∅27.0; 2.9t 5
61 A Hand 61 Skyliner 61SLN 17 - 21 1968 S ∅27.4; 3.5t 6
61 02A Hand 61 Skyliner (Calendar) 61SLC 17 - 21
61 05A Auto 61 Diver (150m) 61MC 17 1968 S ∅27.4; 5.1t 5
61 05B Auto Seiko Diver (Hack Second) 61MC 17 ∅27.4; 5.1t 5
61 06A Auto 61 Seiko 5DX 61-5D 25 1967 S ∅27.4; 5.1t 5
61 06B Auto 61 Seiko 5DX 61-5D 17 - 25 1967 S
61 06C Auto 61 Five Actus 61-5A 17 - 23 - 25 1967 S
61 06C Auto Seiko Advan 61AD 17 - 23 - 25 1967 S
61 10A Hand 61 Railroad Watch 61RW 21 1971 S ∅27.4; 3.5t 6
61 17A,B Auto 61 Worldtime 61WT 17 1968 S ∅27.4; 5.1t 6
61 17A Auto 61 Navigator Timer 61NT 17 ∅27.4; 5.1t 6
61 19A,B,C Auto 6Seiko 5 Sports 61-5 21 1970 S ∅27.4; 5.1t 5
61 38A,B Auto Seiko 5 Sports Speedtimer 61SPH 21 1970 S
61 38A,B Auto Seiko Chronograph 61CHW 23 ∅27.4; 7.9t 6
61 39B Auto Fine Sports Speedtimer 61SPM 17 1969 S ∅27.4; 7.1t 6
61 39B Auto Fine Sports Speedtimer 61SPM 21 1969 S ∅27.4; 6.5t 6
61 45A Auto 61 Grand Seiko Calendar 61GAC 25 1968 S ∅27.4; 5.6t 10
61 46A Auto 61 Grand Seiko Weekdater 61GAW 25 1968 S ∅27.4; 5.6t 10
61 55A Auto 61 Grand Seiko Special (Calendar) 61GBC 25 1971 S
61 56A Auto 61 Grand Seiko Special Weekdater 61GWL 25 1970 S ∅27.4; 5.6t 10
61 59A Auto Professional Diver 300 /61 Matic 6159 25 1967 S ∅27.4; 5.6t 10
61 59B Auto Professional Diver 600 6159 25 1975 S ∅27.4; 5.6t 10
61 85A,B Auto Grand Seiko V.F.A. (specially Adjusted) 6185 25 1969 S ∅27.4; 5.6t 10
61 86A Auto Grand Seiko V.F.A. Weekdater (specially Adjusted) 6186 25 1972 S
62 00 Hand Seiko Liner LN 23 (21) 1960 S ∅26.0; 3.3t 5
62 01B Auto Seikomatic/Matic Silverwave MA 20 1960 S ∅28.0; 4.7t 5
62 05B Auto Matic Selfdater MAS 17 - 24 1962 S ∅28.0; 5.3t 5
62 06A,B Auto Seiko Business/Matic Weekdater 62B-MAW 26 1963 S ∅28.0; 5.6t 5
62 15A Auto Seiko Professional Diver 300 6215 35 1967 S
62 16A Auto Matic Weekdater 62MWK 39 ∅28.0; 5.6t 5
62 17A Auto Seiko Matic Divers Watch 62MAS 17 1964 S ∅28.0; 5.3t 5
62 17A Auto Seiko Matic Worldtime MASWT 17 1964 S
62 18A,B,C Auto Seikomatic Weekdater MAWK 35 1964 S ∅28.0; 5.6t 5
62 20M Hand Skyliner SLN 17 1961 S ∅24.1; 3.8t 5
62 20B,C Hand Skyliner SLN 21 ∅24.1; 3.8t 5
62 20D Hand Skyliner SLN 17 - 21 ∅24.1; 3.8t 5
62 22M Hand Skyliner Calendar SLNC 17 ∅24.1; 3.8t 5
62 22A,B Hand Skyliner Calendar SLNC 21 ∅24.1; 3.8t 5
62 22C Hand Skyliner Calendar SLNC 17 - 21 ∅24.1; 3.8t 5
62 40 Hand Liner Chronometer 25 1963 S ∅26.0; 3.5t 5
62 45A Auto 62 Grand Seiko/Seikomatic Chronometer 62GAC-H 35 1966 S ∅28.0; 5.6t 5.5
62 46A Auto 62 Grand Seiko Weekdater/62Matic Weekdater Chronometer 62GAW-H 39 1966 S ∅28.0; 5.6t 5.5
63 06 Auto 5 Actus 21 1976 S ∅27.4; 5.2t 6
63 09 Auto Export Models Only 17 1976 S ∅27.4; 5.2t 6
63 10 Hand 63 Railroad Watch 17 1976 S ∅27.4; 3.4t 6
63 47 Auto Moonphase (Only for Export) 23 1986 S ∅27.4; 5.8t 6
66 A,B Hand Sportsmen 17 SMS 17 1960 S ∅24.1; 3.8t 5
66 01A Auto Sportsmatic SMAC 17 - 19 1961 S ∅28.1; 5.4t 5
66 01B Auto Sportsmatic SMAC 17 - 19 ∅28.1; 5.4t 5
66 02B Hand Sportsmen 17 Calendar SMSC 17 S ∅28.1; 5.4t 5
66 05 Auto Sportsmatic Calendar 19 1962 S
66 06B Auto Sportsmatic 5 SMA5 21 1963 S ∅28.1; 6.4t 5
66 18A Hand Visually/Hearing Impaired 17 1966 S ∅24.1; 3.8t 5
66 19A Auto Sportsmatic 5 66SA5 21 1964 S ∅28.1; 6.4t 5
66 40A Hand Disney Time 7 1961 S ∅24.1; 3.8t 5
66 42A Hand 66 Schooltime 7
66 59A Hand 66 Schooltime Weekdater 7 1964 S ∅24.1; 4.8t 5
66 60A Hand Seiko 6660 6660 21 ∅24.1; 3.8t 5
68 00 Hand Thin Dress Watch 6800 1969 D 19.7 x 16.9; 1.9t 6
68 10 Hand Seiko Dress Ultra Thin 6810 1973 D ∅20.0; 1.9t 6
6S 74 Auto Credor Chronograph 1998 D
70 01A Auto Automatic 17
70 05A Auto Seiko Automatic Calendar 70AC 17
70 06A Auto Seiko Automatic Calendar 17 - 19 - 21 1973 S
70 15A Auto 70 5 Sports Speedtimer/Time Sonar 70 SPS 21 1970 D ∅26.0; 5.3t 5
70 16A Auto Chronograph Automatic 17 1976 D
70 17A Auto 70 5 Sports Speedtimer 70SP 21 1971 D
70 18A,B Auto 70 Seiko Chronograph (Weekdater) 70CMW 23 1971 D
70 19A Auto 70 5 Actus/Seiko Advan 70-5A/70AD 21 1969 D ∅27.4; 4.8t 6
70 39A Auto Seiko Advan 70ADL 21
760 Hand Fairway FW 21 1962 D ∅26.0; 3.7t 5
761 Hand Fairway FW 21
76 05A Auto Sportsmatic Calendar DX 76SCD 23 ∅28.0; 5.7t 5
76 06A Auto Sportsmatic 5DX SMA-5D 23 1964 D ∅28.0; 5.7t 5
76 19A Auto 76 5DX 76-5D 25 D ∅28.0; 6.4t 5
76 22A,C,D Hand Campion/Campion860 CHC86 17 1963 D ∅28.0; 4.3t 5
76 25A,C,D,E Auto Sportsmatic Calendar 820 SAC82 17 1964 D ∅28.0; 5.7t 5
790 Auto Sportsmatic Calendar SMC 19 1962 S
810 Hand Chronos Special CL 23 1962 D ∅26.0; 4.0t 5
820 Auto Sportsmatic Calendar 820 SAC82 17 1964 D
830 Auto Seikomatic Slim MAM 30
83 01 Auto Seikomatic Slim MAM 30 1963 S
83 05B Auto 83 Seikomatic Calendar/Matic Slim Date MAC/MAMD 30 1963 S ∅29.0; 4.5t 5
83 05C Auto Matic Slim Date (with hand wind) 83MC 39 ∅29.0; 4.5t 5
83 06A Auto 83 Seikomatic Weekdater/Seiko BusinessA 83MW/83BA 30 1965 S ∅29.0; 4.8t 5
83 25A Auto 83 Seikomatic Calendar 83MC 39 ∅29.0; 4.5t 5
83 46A Auto 83 Seikomatic Weekdater/Seiko BusinessA 83MW/83BA 27 S ∅29.0; 4.8t 5
840 Auto Seikomatic Slim Date MAMD 30
850 Auto Champion 850 (Alpinist) CH85 17 1963 D ∅26.0; 3.7t 5
851 Auto Champion CH85 17 1963 D
860 Hand Champion/Champion 860 CHC86 17
88 00 Hand 88 Stopwatch 88ST 7
90 11 Hand 90 Stopwatch 90ST 7 ∅40.3; 6.1t 5
91 19A Hand Railroad Watch 91RW 15 ∅41.3; 6.4t 5
956 Hand Skyliner Calendar SLNC 21
957 Hand Sportsman 17 Calendar SMSC 17
9S 51 Auto Grand Seiko (Calendar SS Bracelet) 26 1998 D
9S 55 Auto Grand Seiko (18k strap) 24 1998 D ∅28.4; 5.3t 8




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