Japan

Oldest

Miyota Caliber 5R32

Miyota caliber 5R32 from a Philip Stein watch. Made in Japan. Zero jewels. Battery number 337/SR416SW.

This movement enables the watch to receive GPS signals from the Global Positioning System satellites. That signal sends the precise time and date to the watch based on the location of the wearer and information from the atomic clock which is accurate within 1 sec every 100,000 or so yrs.

Other

3823

Seiko (SII) Caliber NH35A

Manufacturer Seiko (Seiko Instruments Inc. aka SII, Time Module Inc. aka TMI) Caliber Number NH35A (aka NH35) Movement Type Automatic,...

Automatic

520339

Miyota Caliber 8215

Brand Miyota (Citizen) Caliber Number 8215 Movement Type Automatic, self-winding mechanical Linges 11.5”’ Diameter 26mm Height 5.67mm (7.4 overall) Min...

Automatic

156128

Seiko Caliber 6R21

Manufacturer Seiko Caliber Number 6R21, 6R21A Vibrations Per Hour 28,800 bph Power Reserve 45+ hours Jewels 29 Parts 208 Hacking...

Automatic

912

Hattori Caliber PC32

Manufacturer Hattori Caliber Number PC32 Dimensions 22mm x 22.60mm x 4.15mm thick Battery Cell Number 377 Stem 354-128 Hand Sizes...

Quartz

321

Miyota Caliber 0S10

Manufacturer Miyota Caliber Number 0S10 Type Quartz Replaces Caliber Citizen 0510 Lignes 13.50”’ Diameter 30.8mm Height 4.13mm thickness Battery Number...

Quartz

6531

Seiko 6139B Caliber Vintage Watch Movement

Seiko Caliber 6139B

Brand Seiko Caliber Number 6139B Movement Type Automatic Jewels 17 Vibrations Per Hour 21,600 bph Diameter 27mm Thickness 7.1mm Shock...

Automatic

2610

Miyota Caliber 9015

Brand Miyota (Citizen) Caliber Number 9015 Movement Type Automatic, self-winding mechanical Jewels 24 Linges 11.5”’ Diameter 26mm Height 3.9mm thick...

Automatic

15388

Miyota Caliber 0S21

Manufacturer Miyota (Citizen) Caliber Number 0S21 aka OS21 Type Quartz Replaces Caliber Citizen 0510 Diameter 13.50”’ (30.80mm) Height 5.10mm Battery...

Quartz

2412

Hattori SII Caliber VD54B

Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VD54B Movement Type Quartz Lignes 12 3/4”’ Diameter 29.5mm Thickness 3.97mm...

Quartz

3018

Miyota Caliber 0S25

Manufacturer Miyota (Citizen) Caliber Number 0S25 Type Quartz Replaces Caliber Citizen 0510 Size 13.50”’ (30.80mm) diameter x 5.10mm thick Battery...

Quartz

SII Caliber VD55B

Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VD55B Type Quartz Size Unknown (Please add to the comments below)...

Quartz

Miyota Caliber 6S20

Manufacturer Miyota (Citizen) Caliber Number 6S20 Type Quartz Replaces Caliber Citizen 0510 Size 15”’ (34.60mm) diameter x 4.90mm thick Battery...

Quartz

719

S. Epson Corp. Caliber YM62A

Manufacturer S. Epson Corp. (Seiko) Caliber Number YM62A, YM62 Movement Type Quartz Lignes 12”’ x 10.5”’ Diameter 27.6mm x 24.1mm...

Quartz

1318

Hattori SII Caliber VD53B

Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VD53B Type Quartz Size 12.75”’ (29.5mm) Height 4.57mm thick Jewels 0...

Quartz

7940

Miyota Caliber 8218

Brand Miyota (Citizen) Caliber Number 8218 Base Caliber Miyota 8215 Movement Type Automatic Lignes 11 1/2”’ Diameter 26mm Casing Diameter...

Automatic

3014

Miyota Caliber 2115

Manufacturer Miyota (Citizen) Caliber Number 2115 Type Quartz Similar Caliber 2105 Lignes 10.50”’ Diameter 23.7mm Height 4.15mm thick Jewels 0...

Quartz

4345

Miyota Caliber 0S20

Manufacturer Miyota (Citizen) Caliber Number 0S20 (sometimes typed as OS20) Type Quartz Replaces Caliber Unknown, please add in the comments...

Quartz

7442

Miyota Caliber 821A

Brand Miyota (Citizen) Caliber Number 821A Base Caliber Miyota 8215 Movement Type Automatic Lignes 11.5”’ Diameter 26mm Height 5.67mm Jewels...

Automatic

9753

Miyota Caliber 3S10

Manufacturer Miyota (Citizen) Caliber Number 3S10 (aka 3510) Type Quartz Size 13 1/2”’ (30.48mm) x 4.20mm thick Battery Cell Number...

Quartz

5022

Seiko Caliber 7S26

Manufacturer Seiko Time Corp. Caliber Number 7S26 Replaced By 4R36 Movement Type Automatic, self-winding mechanical In-House? Yes Diameter 27.4mm Casing...

Automatic

236277