Miyota caliber 5R32 from a Philip Stein watch. Made in Japan. Zero jewels. Battery number 337/SR416SW.
Made in Japan
Seiko in-house caliber 9S66 found in a Grand Seiko GMT Limited Edition. This caliber is essentially an upgrade from GS cal. 9S56 which offered a lower 48 hr power reserve.
Seiko caliber 8R28 found in an Ananta model SRQ011. This automatic chronograph movement has 34 jewels, power reserve of 45+ hours, consists of 292 parts, and beats at 28,800 vph. It has a column wheel and vertical clutch. Made in Japan.
Seiko caliber 9R86 found in the Grand Seiko Spring Drive model SBGC005. 50 jewels and consisting of 416 parts. Made in Japan.
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.
Brand Seiko Caliber Number 7002, 7002A Movement Type Automatic Diameter 12”’ (27mm) Thickness 4.5mm Jewels 17 Vibrations Per Hour 21,600...
Brand Miyota (Citizen) Caliber Number 8215 Movement Type Automatic, self-winding mechanical Linges 11.5”’ Diameter 26mm Height 5.67mm (7.4 overall) Min...
Manufacturer Seiko Caliber Number 6R21, 6R21A Vibrations Per Hour 28,800 bph Power Reserve 45+ hours Jewels 29 Parts 208 Hacking...
Manufacturer Hattori Caliber Number PC32 Dimensions 22mm x 22.60mm x 4.15mm thick Battery Cell Number 377 Stem 354-128 Hand Sizes...
Manufacturer Miyota Caliber Number 0S10 Type Quartz Replaces Caliber Citizen 0510 Lignes 13.50”’ Diameter 30.8mm Height 4.13mm thickness Battery Number...
Brand Seiko Caliber Number 6139B Movement Type Automatic Jewels 17 Vibrations Per Hour 21,600 bph Diameter 27mm Thickness 7.1mm Shock...
Brand Miyota (Citizen) Caliber Number 9015 Movement Type Automatic, self-winding mechanical Jewels 24 Linges 11.5”’ Diameter 26mm Height 3.9mm thick...
Brand Seiko Caliber Number 9S65 / 9S65A Movement Type Automatic Jewels 35 Power Reserve 72 hours Vibrations Per Hour 28,800...
Manufacturer Miyota (Citizen) Caliber Number 0S21 aka OS21 Type Quartz Replaces Caliber Citizen 0510 Diameter 13.50”’ (30.80mm) Height 5.10mm Battery...
Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VD54B Movement Type Quartz Lignes 12 3/4”’ Diameter 29.5mm Thickness 3.97mm...
Manufacturer Grand Seiko Caliber Number 9S85 / 9S85A Movement Type Automatic (Hi-Beat), self-winding mechanical In-House? Yes Jewels 37 Power Reserve...
Manufacturer Miyota (Citizen) Caliber Number 0S25 Type Quartz Replaces Caliber Citizen 0510 Size 13.50”’ (30.80mm) diameter x 5.10mm thick Battery...
Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VD55B Type Quartz Size Unknown (Please add to the comments below)...
Manufacturer Miyota (Citizen) Caliber Number 6S20 Type Quartz Replaces Caliber Citizen 0510 Size 15”’ (34.60mm) diameter x 4.90mm thick Battery...
Manufacturer S. Epson Corp. (Seiko) Caliber Number YM62A, YM62 Movement Type Quartz Lignes 12”’ x 10.5”’ Diameter 27.6mm x 24.1mm...
Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VD53B Type Quartz Size 12.75”’ (29.5mm) Height 4.57mm thick Jewels 0...
Brand Miyota (Citizen) Caliber Number 8218 Base Caliber Miyota 8215 Movement Type Automatic Lignes 11 1/2”’ Diameter 26mm Casing Diameter...
Manufacturer Miyota (Citizen) Caliber Number 2115 Type Quartz Similar Caliber 2105 Lignes 10.50”’ Diameter 23.7mm Height 4.15mm thick Jewels 0...
Manufacturer Bulova (Citizen) Caliber Number P102 (P102.10, P102.12) Linges 12.5”’ Diameter ~27mm Battery Number CR2016 (3V) Jewels 8 Frequency 262.144...
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