Brand Invicta Caliber Number IM-A-006, IMA006 Base Caliber 7750 Movement Type Automatic, self-winding mechanical Lignes 13.25”’ Diameter 30mm Height 7.9mm thick Jewels 25 (see below) Beat Rate / Frequency 28,800
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Brand Invicta Caliber Number IM-Q-012, IMQ012 Movement Type Quartz, battery-powered Diameter 28.8mm Height 4.57mm Jewel Count 0 jewels Frequency 32,768 Hz Accuracy Rating +/- 20 seconds/month Battery Cell # 371/370
Brand Time Module, Inc. (TMI) Caliber Number VD57, VD57A, VD57B, VD57C Movement Type Quartz, battery-powered Lignes 12.75”’ Outside Diameter 29.5mm x 26mm Casing Diameter 28.8mm Height 4.57mm Jewel Count 0
Manufacturer Citizen Watch Co. Caliber Number H874, H874-08M Based On Citizen H800 Movement Type Quartz, solar-powered Jewel Count 8 jewels (unconfirmed – based on H800, please share pic in the
Manufacturer Seiko Time Corp. Caliber Number 6G28, 6G28A Movement Type Quartz, battery-powered Overall Diameter 23.7mm Casing Diameter 23.3mm Height 3.45mm Jewel Count 0 jewels Frequency 32,768 Hz Accuracy Rating Less
Brand Invicta Caliber Number IM-Q-002, IMQ002 Movement Type Quartz, battery-powered Diameter 28.6mm (Unconfirmed) Height 4.4mm (Unconfirmed) Jewel Count 6 jewels (Unconfirmed) Frequency 32,768 Hz Accuracy Rating (Unconfirmed) Battery Cell #
Manufacturer Sea-Gull Caliber Number ST2153 Movement Type Automatic, self-winding mechanical Diameter 30mm Height 6.1mm Jewel Count 32 jewels Beat Rate / Frequency 28,800 bph / 4 Hz Lift Angle Unconfirmed
Manufacturer Fabrique d’Horlogerie de Fontainemelon Caliber Number FHF 96 Other Names Standard 96, ST96, ST-96, 96 ST Movement Type Mechanical, manual-wind Lignes 11.5”’ Diameter 25.6mm Height 4.55mm Jewel Count 17
Manufacturer Ronda Caliber Number 775 Movement Type Quartz, battery-powered Linge 7.75”’ Diameter 17.5mm (case fitting 17.2mm) Thickness 2.50mm (2.75mm including battery) Jewels 5 (gold plated EOL) or 1 (nickel plated)
Brand Parmigiani Fleurier Caliber Number PF703 Based On Vaucher Fleurier SEED VMF 5400 Movement Type Automatic, self-winding mechanical, micro-rotor Lignes 13.25”’ Diameter 30mm Height 3.07mm Jewel Count 29 Total Components
Manufacturer Hangzhou Watch Movement Caliber Number 7500, 7500A, 7500F, HZ7500 Movement Type Automatic, self-winding mechanical, skeleton Diameter 30mm Height 5.23mm Jewel Count 21 jewels Beat Rate / Frequency 28,800 bph
Manufacturer TMI aka Time Module Inc (Seiko Instruments / SII / Hattori) Caliber Number VK68, VK68A Movement Type Quartz (mecaquartz), battery-powered, chronograph Lignes 13.5”’ Diameter 30.8mm x 29.1mm Casing Diameter
Brand Jaeger-LeCoultre (JLC) Caliber Number 630 Movement Type Quartz, mechaquartz Diameter 23.3mm Height 3.7mm (3.8mm including the battery) Jewel Count 25 jewels Frequency 32,768 Hz Accuracy Rating +/- 48 seconds/year
Brand Seiko Time Corp. Caliber Number 78A Movement Type Quartz, battery-powered Diameter 23.3mm Height 2.9mm Jewel Count 5 jewels Frequency 32,768 Hz Battery Cell # 395/399, SR927SW (1.55 V, silver
Manufacturer Grand Seiko (Seiko Time Corp.) Caliber Number 8J56, 8J56A, 8J56B Base Caliber Seiko 8J55 Movement Type Quartz, battery-powered Jewel Count 7 jewels Frequency 32,768 Hz Accuracy Rating +/- 10
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