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
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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
Module Maker Dubois Dépraz Module DD9000, DD-9000, 9000M, 9000 Base Caliber ETA 2892A2 Diameter 26.2mm (total including the base movement) Height 5.2mm (total including the base movement) Jewel Count 21
Brand Carl F. Bucherer Caliber Number CFB 1966, CFB1966 In-House? No Base Caliber ETA 2892A2 + DD9000 Movement Type Automatic, self-winding mechanical Diameter 26.2mm Height 5.2mm Jewel Count 21 jewels
On February 12, 2026, COSC (Contrôle Officiel Suisse des Chronomètres) announced a new certification called Excellence Chronometer Certified (ECC). This new certification tightens up average accuracy ratings, increases requirements for
Brand IWC Caliber Number 32112 Manufacturer Val Fleurier Movement Type Automatic, self-winding mechanical COSC? No Jewel Count 21 jewels Total Parts 167 Beat Rate / Frequency 28,800 bph / 4
Brand Orient Star Manufacturer EPSON (Seiko) Caliber Number F7H44 Movement Type Automatic, self-winding mechanical In-House? Yes Diameter Unconfirmed Height Unconfirmed Jewel Count 24 jewels Beat Rate / Frequency 21,600 bph
Manufacturer Audemars Piguet Caliber Number 1150 Movement Type Mechanical, manual-wind, tourbillon In-House? Yes Diameter 34.3mm Height 8.9mm Jewel Count 81 Total Components 1,099 Beat Rate / Frequency 21,600 bph /
Manufacturer IWC Caliber Number 52011 Base Caliber 52010 Movement Type Automatic, self-winding mechanical Diameter 38.2mm Height (Unconfirmed) Jewel Count 31 jewels Total Components 249 parts Beat Rate / Frequency 28,800
Manufacturer Seiko Caliber Number 5X83, 5X83A Movement Type Quartz, solar-powered Jewel Count 14 jewels Frequency 32,768 Hz Average Accuracy +/- 15 seconds/month Battery/Capacitor Part # (Unconfirmed) Power Reserve 6 months
Brand Agelocer Caliber Number A3350 Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 26mm Height 5.2mm Jewel Count 27 jewels Beat Rate / Frequency 21,600 bph / 3 Hz Lift
Manufacturer Oris Caliber Number 113-2 Base Caliber Oris Calibre 100 Series Movement Type Mechanical, manual-wind Lignes 15”’ Diameter 34mm Height Unconfirmed Jewel Count 37 jewels Beat Rate / Frequency 21,600
Brand Maurice Lacroix Caliber Number ML302 Base Caliber SW200-1 Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 25.6mm Height Unconfirmed (Assuming it is taller than the base due to the
Manufacturer Orient Watch Co., Ltd. Caliber Number D3911 Movement Type Quartz, battery-powered Lignes 10.5”’ Jewels Count 1 jewel Frequency 32,768 Hz Battery Cell # 371 Hands Count 3 Hand Sizes
Manufacturer TAG Heuer Caliber Number TH20-07 Base Caliber TAG Heuer TH20-00 Movement Type Automatic, self-winding mechanical In-House? Yes Diameter 32mm Jewel Count 33 jewels Beat Rate / Frequency 28,800 bph
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