Casio G-Shock watch movements or calibers are called modules. It sounds fancy, but when you read that a specific GShock...
Quartz Movements
The Seiko caliber 8S23 (aka 8S23A) is a solar powered quartz watch movement with a day/date. It has 2 jewels...
Manufacturer Seiko Caliber Number 1B21 Movement Type Solar radio signal (solar radio wave control), quartz Jewels 4 (needs confirmed) Frequency...
Manufacturer Seiko Caliber Number 5Y66, 5Y66A Movement Type Quartz Diameter 24mm Casing Diameter 23.3mm Height 3.81mm Jewels 0 Frequency 32,768Hz...
The Seiko caliber 8S21 (aka 8S21A) is a 3-hander, no-date solar powered quartz watch movement. It has 2 jewels and...
Manufacturer Citizen Caliber Number J800 Type Quartz, solar powered Jewels Unconfirmed (if you have access to your movement, please add...
Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number PC33A, PC33 Type Quartz Size 10.5”’ Diameter 23.7mm Height 4.15mm Jewels...
Manufacturer ETA Caliber Number F06.411, F06411 Type Quartz COSC? Possible, depends on watch Thermo-Compensated? Yes Linges 11.5”’ Overall Diameter 25.6mm...
Manufacturer Seiko Caliber Number V175, V175A Movement Type Solar Powered (quartz) Diameter 27.6mm Casing Diameter 27mm Height 4.4mm Jewels 0...
Manufacturer S. Epson Corp. (Seiko, Hattori, SII) Caliber Number YM12A, YM12 Movement Type Quartz, chronograph Lignes 12”’ Diameter 27mm Thickness...
Manufacturer Seiko Caliber Number 7A28, 7A28A Type Quartz Diameter 31.1mm (overall) Casing Diameter 29mm Thickness 3.5mm Battery Cell 394 (SR936SW)...
Manufacturer Citizen Caliber Number J810 Type Quartz, solar powered Jewels Unconfirmed (if you have access to your movement, please add...
Manufacturer ETA Caliber Number 251.232 Movement Type Quartz, chronograph COSC? Yes Lignes 13.25”’ Diameter 30mm Height 5mm Battery Cell Number...
Manufacturer Jaeger-LeCoultre (JLC) Calibre Number 657 Type Quartz Jewels 4 Frequency 32,768Hz Battery Cell SR616SW Hands Count 2 Functions Central...
Manufacturer Miyota (Citizen) Caliber Number 2353 Type Quartz Family 2300 (2315, 2305, 2350) Lignes 11.50”’ Diameter 26.4mm Height 4.15mm thick...
Manufacturer Ronda Caliber Number 762E (Powertech) Type Quartz Lignes 6 3/4”’ x 8”’ Diameter 15.3mm x 18.1mm Height 2.50mm thick...
Manufacturer Miyota (Citizen) Caliber Number 1M12 Type Quartz Replacement Caliber GM10 Lignes 10.5”’ Diameter 23.7mm x 22.6mm Height 2.71mm thick...
Brand Ronda Caliber Number Ronda 515S Base Caliber Ronda 515 Line Powertech 500 Type Quartz Lignes 11 1/2”’ Diameter 26mm...
Miyota caliber 5R32 from a Philip Stein watch. Made in Japan. Zero jewels. Battery number 337/SR416SW.
Manufacturer Hattori aka Seiko Instruments Inc. (SII) aka Time Module (TMI) Caliber Number PC21J Type Quartz Lignes 6 3/4”’ x...
Brand Ronda Caliber Number Ronda 5021.D Type Quartz, bi-compax chronograph Lignes 12.5”’ Diameter 28.6mm Height 4.4mm thick Battery Cell Number...
Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VD77, VD77A Type Quartz Lignes 10.5”’ Diameter 23.7mm Casing Diameter 23.3mm...
Manufacturer Seiko Instruments Inc. / SII / Hattori / TMI Caliber Number VH31, VH31A Type Quartz (mechaquartz) Lignes 10.5”’ Diameter...
Brand Ronda Caliber Number Ronda 3540.D Type Quartz Lignes 10 1/2”’ x 11 1/2”’ Diameter 26.2mm Thickness 4.9mm Battery Cell...
