Latest Watch Calibers
Manufacturer CLARO Watch SA Caliber Number CL-888, CL888 Base Caliber Sea-Gull ST16...
Manufacturer Tianjin Sea-Gull Caliber Number TY-2871, TY2871 Base Family ST16 (based on...
Manufacturer Seiko Caliber Number 4M21, 4M21A Movement Type Kinetic (AGS), quartz Lignes 11.5”’ Diameter 25.6mm Height 2.7mm Jewel Count 9 Frequency 32,768 Hz Accuracy Rating +/- 15 seconds/month Capacitor 30274MZ,...
Manufacturer ETA Caliber Number F07.111, F07111 Status Phased-out, discontinued Type Quartz, battery-powered...
Manufacturer Miyota (Citizen) Caliber Number 6P23 Movement Type Quartz, battery-powered Lignes 10.5”’...
Brand NOMOS Glashütte Caliber Number DUW 6101, DUW6101 Movement Type Automatic, Self-winding mechanical In-House? Yes Chronometer Spec? Yes COSC? No Linges 15.5”’ Diameter 35.2mm Height 3.6mm thick Jewels 27 Total...
Brand Eterna Caliber Number 3501, EMC 3501 Movement Type Mechanical, manual-wind Shape...
Manufacturer Bulova Caliber Number NM50 Movement Type Quartz, battery-powered, Jewel Count 8...
Manufacturer Seiko Caliber Number 4T53, 4T53A Movement Type Quartz, battery-powered Display Analog Lignes 12.75”’ Diameter 29.5mm Height 4.6mm Jewel Count No jewels (0) Frequency 32,768 Hz Accuracy Rating <20 seconds/month...
Popular Horology Guides
Rolex’s Parachrom Bleu Hairspring is an in-house hairspring comprised of a paramagnetic...
What is Nivachron? Nivachron is the name of an anti-magnetic balance spring...
Paraflex is the name of Rolex’s proprietary anti-shock system for their automatic...
Triovis is a style of watch movement regulator aka precision adjustment device....
This is the original lecture given by George Daniels at the American...
Automatic Watch Movements
Mechanical, self-winding
Brand Miyota (Citizen) Caliber Number 8218 Base Caliber Miyota 8215 Movement Type...
Manufacturer Seiko (Seiko Watch Corporation) Caliber Number 6R64, 6R64A Movement Type Automatic...
Brand Citizen Caliber Number 7730 Movement Type Automatic, self-winding mechanical Base Caliber...
Brand Longines Caliber Number L844.4 In-House? No Base Caliber ETA A31.411 (A31411)...
MAnual-Wind Watch Movements
Hand-wound satisfaction
Manufacturer Greubel Forsey Caliber Number GF02N In-House? Yes Movement Type Manual-wind, mechanical,...
Manufacturer ETA/Unitas Caliber Number 6503 Base Caliber ETA/Unitas 6497 Movement Type Manual...
Manufacturer Cyma Caliber Number 586, 586K, 586 K Movement Type Mechanical, manual-wind...
Brand Romain Jerome Caliber Number RJ2000-A Movement Type Mechanical, manual wind Jewels...
Quartz movements
Battery powered and ready to go
Manufacturer Heuer Caliber Number 107 Type Quartz Battery Cell Number 361/362 (SR721SW)...
Manufacturer ETA Caliber Number 988.432, 988432 Dimensions 11 1/2”’ x 3.25mm thick...
Manufacturer Ronda Caliber Number 4120.B Movement Type Quartz Size 12 1/2”’ Diameter...
Brand Ronda Caliber Number Ronda 6203.B Type Quartz Lignes 11.5”’ Diameter 26mm...
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Recent Comments
Hi, you are correct! The Mercer Brigadier has the VK64A (bi-compax with a date at…
The Mercer Brigadier currently does not use the VK63 movement. Did it ever use it?
The new Jack Mason Canton utilizes the G100. If you haven't seen it yet it's…
With assembly, does it matter what teeth the pawl goes on or will it basically…
I have this movement in my Furlan Marri Salmon Flyback - beautiful looking and performs…
You can buy these for self-builds now. I've gotten mine thru CousinsUK.
Mysterious Code watch from China, +/- 0 seconds per day! Contoured dial, beautiful polishing! What…