Manufacturer ETA / Valjoux Caliber Number 7750 Based On Valjoux 7733 (manual wind) Movement Type Automatic Jewels 25 (see below)...
Chronograph
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Manufacturer Seagull Caliber Number ST1902, ST-1902, ST19, 1902 Based On Venus 175 Movement Type Mechanical chronograph, manual-wind Lignes 13.75”’ Diameter...
Manufacturer Seiko Instruments Inc. aka SII / Hattori / TMI Caliber Number VK64, VK64A Type Quartz (mecaquartz), chronograph Lignes 13.5”’...
Manufacturer Seiko Caliber Number 7T62 / 7T62A Type Quartz Diameter 12”’ (24.1mm x 27.6mm) Thickness 3.3mm Jewels 0 Battery Cell...
Brand Ronda Caliber Number Ronda 5030.D Type Quartz Size (Lignes) 12 1/2”’ Total Diameter 28.60mm Case Diameter 28mm Height 4.40mm...
Manufacturer ETA Caliber Number G10.212 Type Quartz Lignes 13 1/4”’ Diameter 29.8mm Height 5.12mm thick Jewels 4 Battery Cell Number...
Manufacturer Seiko Caliber Number 7T92 / 7T92A Type Quartz Diameter 12”’ (24.1mm x 27.6mm) Thickness 3.3mm Jewels 0 Battery Cell...
Manufacturer ETA Caliber Number G10.211, G10211 Movement Type Quartz Lignes 13 1/4”’ (29.80mm) Diameter 29.80mm Height 5.12mm thick Battery Cell...
Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VK63, VK63A Movement Type Quartz (mecaquartz) Lignes 13 1/2”’ Diameter 30.80mm...
Manufacturer Ronda Caliber Number 5040.D, 5040D Movement Type Quartz Lignes 12.5”’ Diameter 28.6mm Height 4.40mm thick Battery Cell Number 395...
Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VD53, VD53A, VD53B, VD53C Type Quartz Linges 12 3/4”’ Diameter 29.50mm...
Brand Bulova Caliber Number 8137 Manufacturer Citizen Movement Type Quartz, chronograph Jewels 11 Frequency 262.144 kHz Quartz Crystal 3-prong torsional...
Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VD53B Type Quartz Size 12.75”’ (29.5mm) Height 4.57mm thick Jewels 0...
Brand Ronda Caliber Number 515.24H, 515H Base Caliber 515 Line Powertech 500 Type Quartz Lignes 11 1/2”’ Diameter 26mm Case...
Manufacturer Omega Caliber Number 3861 In-House? Technically no Based On Lemania caliber 1873 Movement Type Mechanical, manual-wind Chronometer? Yes (Omega...
Manufacturer Miyota (Citizen) Caliber Number 0S20 (sometimes typed as OS20) Type Quartz Replaces Caliber Unknown, please add in the comments...
Manufacturer Omega Caliber Number 9900 Replaces Caliber 9300 In-House? Yes Movement Type Automatic, self-winding mechanical Display Analog Diameter 32.5mm Jewels...
Manufacturer Omega Caliber Number 9920 Base Caliber 9900 In-House? Yes Movement Type Automatic, self-winding mechanical Display Analog Diameter 32.5mm (needs...
What movement is inside the Swatch MoonSwatch? Caliber Corner has been inundated with emails and DMs asking questions about the...
Manufacturer ETA Caliber Number 251.262 Type Quartz, chronograph Diameter 13 1/4”’ (30mm) Thickness 5mm Battery Cell Number 394 Frequency 32’768...
Manufacturer ISA Caliber Number 8172-220, 8172A Type Quartz Lignes 11 1/2”’ Diameter 25.60mm Height 4.20mm thick Battery Cell Number 395...
Brand ETA / Valjoux Caliber Number 7751 Base Caliber ETA 7750 Movement Type Automatic Diameter 13 1/4”’ (30.00mm) Thickness 7.90mm...
Manufacturer Seiko Caliber Number 8R46, 8R46A Family/Series 8R Movement Type Automatic In-House Yes Lignes 12.5”’ Diameter 28.6mm Height 7.62mm Jewels...
Brand Ronda Caliber Number 5050.E, 5050E Type Quartz Lignes 12 1/2”’ Diameter 28.60mm Height 4.40 thick Jewels 13 (gold plated...
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