Brand TAG Heuer Caliber Number TH31-02 In-House? No Manufacturer Sellita Manufacture AMT Movement Type Automatic, self-winding mechanical COSC? No Jewel Count 30 Beat Rate / Frequency 28,800 vph / 4
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Brand Frederique Constant Caliber Number FC-220 In-House? No Base Caliber Ronda 515, Ronda 505, Ronda 1016 (see below…) Movement Type Quartz, battery-powered Jewel Count 1 or 8 Frequency 32,768 Hz
Manufacturer Sea-Gull Caliber Number ST1780, ST-1780, TY2714 Movement Type Automatic, self-winding mechanical Diameter Unconfirmed Height 6.26mm Jewel Count 28 jewels Beat Rate / Frequency 21,600 bph / 3 Hz Lift
Manufacturer Grand Seiko Caliber Number 9RB2, 9RB2A Movement Type Spring Drive, hybrid automatic Diameter 30mm Height 5.02mm Jewel Count 34 jewels Accuracy Rating +/- 20 seconds/year Power Reserve 72 hours
Manufacturer Rolex Year Introduced 2025 Calibers Rolex 7135 Known Materials Nickel phosphorus alloy, ceramic (balance staff) Known Models Rolex Land-Dweller (Ref: 127334) (Add your watch to the comments below…) The
Manufacturer Rolex Caliber Number 7135 Base Caliber Rolex 7140 In-House? Yes Movement Type Automatic, self-winding mechanical Chronometer Spec? Yes (Superlative Chronometer = COSC + Rolex certification) Jewel Count 39 jewels
Brand Breitling Caliber Number B31 Movement Type Automatic, self-winding mechanical Chronometer Spec? Yes (COSC) Diameter 28.4mm Height 4.8mm Jewel Count 26 jewels Beat Rate / Frequency 28,800 bph / 4
Brand Cartier Caliber Number 78-1, 78/1 In-House? No Base Caliber ETA 2512-1 Movement Type Mechanical, manual-wind Lignes 7.75”’ Overall Diameter 17.5mm Casing Diameter 17.2mm Height 2.85mm Jewel Count 17 jewels
Manufacturer Seiko Caliber Number A904, A904A, A 904 Movement Type Digital, quartz Diameter 27.4mm Height 4.8mm Jewel Count No jewels (0) Accuracy Rating +/- 20 seconds per month Battery Cell
Brand Tissot Caliber Number 744 Base Caliber ETA 2551 Movement Type Automatic, self-winding mechanical Lignes 7.75”’ Overall Diameter 17.5mm Casing Diameter 17.2mm Height 4.5mm Jewel Count 21 jewels Beat Rate
Manufacturer Tianjin Sea-Gull Caliber Number ST18, ST18XX, TY26, TY26XX Movement Type Automatic, self-winding mechanical Based On ETA 2892A2 Diameter 25.6mm Height 3.91mm Jewel Count 21/24 jewels Total Parts 172 components
Manufacturer Citizen Caliber Number U822 Movement Type Quartz, solar-powered Jewel Count Unconfirmed Frequency 32,768 Hz Accuracy Rating +/- 15 seconds/month Power Reserve ~1 year on a full charge (3 yrs
Brand Liudas Norkus Caliber Number LN1, LN-01 Movement Type Mechanical, manual-wind, regulateur style In-House? No Exclusive? Yes Base Caliber Seagull ST3600 Diameter Unconfirmed Height Unconfirmed Jewel Count 17 jewels Beat
Manufacturer Seiko Time Corp. Caliber Number 7L22, 7L22A Movement Type Kinetic, rechargeable quartz Diameter 32mm Casing Diameter 30mm Height 6.4mm Jewel Count 8 jewels Frequency 32,768 Hz Accuracy Rating <
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