Latest Watch Calibers
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...
Manufacturer ETA Caliber Number F07.111, F07111 Status Phased-out, discontinued Type Quartz, battery-powered Thermo-Compensated? No Linges 13.25”’ Overall Diameter 30mm Height 2.5mm Height w/ Battery 2.62mm (371 battery) / 3.22mm (395...
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...
Brand Eterna Caliber Number 3501, EMC 3501 Movement Type Mechanical, manual-wind Shape Rectangular Lignes 10.75”’ x 13.25”’ Diameter 24mm x 30mm Height 4.1mm Jewel Count 18 Beat Rate / Frequency...
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...
Manufacturer Bulova Caliber Number 2192, 2192.10 Movement Type Electronic, tuning fork Lignes 12.5”’ Diameter 28.75mm Height 6.1mm Jewel Count 8 Frequency 360 Hz per second Battery Cell 344 (see below)...
Popular Horology Guides
According to Grand Seiko: The caliber number is a four-digit number that...
This is the original lecture given by George Daniels at the American...
KIF is an anti-shock system made by Kif Parechoc, SA. The company...
There are two kinds of mechanical watches: Automatic and Manual. The difference...
Automatic Watch Movements
Mechanical, self-winding
Manufacturer Zeitwinkel Montres S.A., CH St-Imier Caliber Number ZW0103 Base Caliber Zeitwinkel...
Manufacturer Seiko Caliber Number 5206, 5206A (Seiko catalog number 52-06-1) Movement Type...
Brand Miyota (Citizen) Caliber Number 9029 Movement Type Automatic, self-winding Lignes 11...
Manufacturer Seiko Caliber Number NH36A (aka NH36) Movement Type Automatic Lignes 12”’...
MAnual-Wind Watch Movements
Hand-wound satisfaction
Brand Gérald Genta Caliber Number GG-001 Movement Type Mechanical, manual-wind Manufacturer La...
Brand ETA / Valjoux Caliber Number 7760 Movement Type Manual wind, mechanical...
Manufacturer Tissot Caliber Number 27-1T Movement Type Mechanical, manual-wind Vibrations Per Hour...
Manufacturer ETA Caliber Number 6498-2 Base Caliber 6498 Diameter 16.5”’ (36.6mm) Height...
Quartz movements
Battery powered and ready to go
Manufacturer ETA Caliber Number 901.001, 901001 Dimensions 5 1/2”’ x 6 1/2”’...
Manufacturer Miyota (Citizen) Caliber Number 0S21 aka OS21 Type Quartz Replaces Caliber...
Manufacturer Seiko Caliber Number 4M21, 4M21A Movement Type Kinetic (AGS), quartz Lignes...
Manufacturer Ronda Caliber Number 5050.c Line Startech 5000 Battery Number 395 Battery...
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Recent Comments
Thank you for adding this model to the list, freg!
I have a Longines HC Chrono with ceramic bezel and Si is written on the…
I have an Oris Big Crown Propilot Day Date with this movement in it. Reference…
VENTURA XXL AUTO (H246551) comes with the same movement and is a great and reliable…
UNDONE-POPEYE watch is having this movement (NH35A)
My wife purchased a Seiko V157-0CA0for me several years ago. My problem is it never…
Can be found in the Chase Durer CDW-0037 Air Defense