Manufacturer Officine Panerai Caliber Number P.2003, P2003 In-House? Yes Movement Type Automatic, self-winding mechanical Lignes 13.75”’ Height 8mm Jewel Count...
Automatic Movements
Automatic movements aka self-winding mechanical watch movements do not require batteries. These calibers use the movement of your wrist to turn a rotor (osculating weight) that winds a mainspring. The stored energy is released in a controlled process through the escapement and gears that are connected to the hands which tell the time. Automatic watches are designed to not be overwound. Browse the vintage and modern automatic watch caliber database below…
Brand Citizen Caliber Number 8050, 8050A Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 25.6mm Height 4.56mm Jewel Count 21...
Brand Citizen (via Miyota) Caliber Number 8322, 8322A Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 26mm Height 5.6mm (unconfirmed)...
Brand Carl F. Bucherer Caliber Number CFB A2050 Base Caliber CFB A2000 In-House? Yes Movement Type Automatic, self-winding mechanical Certified...
Brand Bulgari (Sometimes spelled BVLGARI) Caliber Number BVL 191, BVL191 Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 25.6mm Height...
Brand Orient Star (Seiko Epson) Caliber Number F6G42 Movement Type Automatic, self-winding mechanical Jewel Count 24 Beat Rate / Frequency...
Manufacturer Zenith Caliber Number El Primero 4054 In-House Yes Movement Type Automatic, self-winding mechanical Lignes 13.25”’ Diameter 30.5mm Jewel Count...
Manufacturer Sellita Caliber Number SW290-1 Base Caliber Sellita SW200-1 Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 25.6mm Height 5.6mm...
Manufacturer ETA Caliber Number 2840 Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 26mm Casing Diameter 25.6mm Height 4.7mm Jewel...
Module Maker Dubois Dépraz Module 2025, 2025M, DD-2025 Base Caliber ETA 2824-2 Movement Type Automatic, self-winding mechanical, chronograph Diameter 30mm...
Brand Kurono Tokyo (Precision Watch Tokyo Co. Ltd.) Caliber Number 9134PWT In-House? No Modified? Yes Base Caliber Miyota 9134 (aka...
Manufacturer Longines Caliber Number 505 Base Caliber Longines 501 Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 25.6mm Height 5.3mm...
Manufacturer Tianjin Sea-Gull Caliber Number TY2130, TY-2130, ST2130 Base Family ST21 (based on ETA 2824-2) Movement Type Automatic, self-winding mechanical...
Manufacturer CLARO Watch SA Caliber Number CL-888, CL888 Base Caliber Sea-Gull ST16 Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Overall...
Manufacturer Tianjin Sea-Gull Caliber Number TY-2871, TY2871 Base Family ST16 (based on Miyota 8 series) Movement Type Automatic, self-winding mechanical...
Brand NOMOS Glashütte Caliber Number DUW 6101, DUW6101 Movement Type Automatic, Self-winding mechanical In-House? Yes Chronometer Spec? Yes COSC? No...
Manufacturer ETA/Valjoux Caliber Number A05.H31 Base Caliber ETA 7753 Movement Type Automatic, self-winding mechanical, chronograph Lignes 13.25”’ Diameter 30mm Height...
Manufacturer Orient (Seiko) Caliber Number F6727 In-House? Yes Movement Type Automatic, self-winding mechanical Diameter (Add to comments below…) Height (Add...
Brand Longines Caliber Number L898.5 In-House? No Exclusive? Yes Base Caliber ETA A31.L01 (ETA 2892A2) Movement Type Automatic, self-winding mechanical,...
Brand Laco Caliber Number 2S In-House? No Base Caliber Miyota 82S0 Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter 26mm...
Brand TAG Heuer Caliber Number TH31-00 In-House? No Manufacturer Sellita Manufacture AMT Movement Type Automatic, self-winding mechanical COSC? Yes Diameter...
Brand Orient Caliber Number F6R42 In-House? Yes Movement Type Automatic, self-winding mechanical Jewels 22 Beat Rate /Frequency 21,600 bph /...
Manufacturer Tianjin Sea-Gull Caliber Number ST17, ST17XX, TY27, TY27XX Movement Type Automatic or manual-wind Diameter 26mm Height Varies Jewels Varies...
Brand Longines Caliber Number 22 A, 22A Base Caliber 22 L, 22L In-House? Yes Movement Type Automatic, self-winding mechanical Lignes...
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