This video shows a tour of the Grand Seiko Studio Shizukuishi. Presented by Masayuki Hirota, Editor-in-Chief of Chronos Magazine Japan...
Seiko
According to Grand Seiko: The caliber number is a four-digit number that indicates the model of a movement (mechanical part...
Manufacturer Seiko Caliber Number 7009, 7009A Movement Type Automatic, self-winding mechanical Diameter 27.4mm Casing Diameter 27mm Height 4.9mm Jewel Count...
Manufacturer Seiko Caliber Number 1B21 Movement Type Solar radio signal (solar radio wave control), quartz Jewels 4 (needs confirmed) Frequency...
Manufacturer Grand Seiko (Seiko Watch Corporation) Caliber Number 9R31, 9R31A Movement Type Spring Drive, manual-wind In-House? Yes Jewels 30 Frequency...
Manufacturer Seiko Caliber Number 6R20, 6R20A Movement Type Automatic, self-winding mechanical In-House? Yes Diameter 27.40mm (outside), 27mm (casing) Height 6.15mm...
Brand Seiko Caliber Number 5740C Base Caliber 5740 Movement Type Manual wind, mechanical Jewels 23 Vibrations Per Hour 36,000 bph...
Manufacturer Seiko Caliber Number 7T92 / 7T92A Type Quartz Diameter 12”’ (24.1mm x 27.6mm) Thickness 3.3mm Jewels 0 Battery Cell...
Manufacturer Seiko Caliber Number VS42A (VS42) Type Solar Powered (quartz) Lignes 11.5”’ Casing Diameter 28.6mm Thickness 3.5mm Total Height 5.7mm...
Manufacturer Seiko Caliber Number 6R35A (6R35) Movement Type Automatic Diameter 27.40mm Casing Diameter 27mm Height 5.25mm Jewels 24 Vibrations Per...
Brand Seiko Caliber Number 5R65 Movement Type Automatic Jewels 30 Diameter 30mm Height 5.1mm Power Reserve 70+ hours Frequency 32,768...
Manufacturer Epson (Seiko Instruments Inc.) Caliber Number VX43, VX43E Seiko Number 7N43 Movement Type Quartz, battery operated Display Type Analog...
Manufacturer S. Epson Corp. (Seiko) Caliber Number VX36, VX36A, VX36B, VX36E, etc. Movement Type Quartz, battery-powered Lignes 10.5”’ Diameter 24mm...
The Seiko caliber 6N33 (aka 6N33A) is a 3-hander quartz movement with a day date calendar at 3:00. This caliber...
Manufacturer S. Epson Corp. (Seiko/Hatori) Caliber Number Y121, Y121E Type Quartz Lignes 6 3/4”’ x 8”’ Diameter 15.3mm x 18.2mm...
The Seiko caliber 8S23 (aka 8S23A) is a solar powered quartz watch movement with a day/date. It has 2 jewels...
What is the difference between Seiko caliber NH25 and NH35? There are some differences between these overall similar movements. The...
Manufacturer Seiko Time Corp. Caliber Number 7S26 Replaced By 4R36 Movement Type Automatic, self-winding mechanical In-House? Yes Diameter 27.4mm Casing...
Manufacturer Grand Seiko (Seiko Watch Corporation) Caliber Number 9SC5 Movement Type Automatic, self-winding mechanical, chronograph In-House? Yes Jewels 60 Beat...
Manufacturer Seiko Caliber Number 6R15 (A/B/C/D) Movement Type Automatic Diameter 27.40mm (outside), 27mm (casing) Height 5.25mm Jewels 23/24 Vibrations Per...
Manufacturer Seiko Caliber Number 9T82, 9T82A Type Kinetic Diameter Unknown Thickness Unknown Jewels 38 Capacitor Part Number Unknown (see below)...
Manufacturer Seiko Caliber Number 8L35, 8L35A Movement Type Automatic In-House? Yes Diameter (needs confirmed) Casing Diameter (needs confirmed) Height (needs...
Manufacturer Akita (Unit/Division of Seiko) Caliber Number 9ME00 Type Quartz Lignes 10.5”’ (unconfirmed) Diameter 23.30mm (unconfirmed) Thickness 2.60mm (unconfirmed) Jewels...
Manufacturer Seiko Caliber Number 6R54, 6R54A Movement Type Automatic, self-winding mechanical In-House? Yes Diameter 27.4mm Casing Diameter 27mm Height 5.3mm...
Trending Comments
Slava Caliber 2427
Lum-Tec gave up trying to fix my C2 with this movement, now I'm trying to…
Seiko Instruments (SII, TMI) Caliber NH34
Hi mrdibujante, from the specs chart above: "Rotor Direction: Bi-directional (Magic Lever)" indicates that it…
Citizen Caliber 8210
Es más preciso de lo que anuncia. Unos 12 segundos se adelanta al día, para…
Ingersoll Caliber 520
Mine is weird. It doesn't like to be fully wound. It looses seconds if I…
Seiko Caliber 7009
Thank you, Arash. Listing updated.
Active Caliber Listings
Tengo un mondaine big date que al cambiarle la batería dejo de funcionar la verdad…
My apologies, I missed that somehow.
Hi Gary L, you are correct. Please see the SW300-1 here and the SW330-1 here.
Hello everyone, I think the SW300 is Sellita’s version of the ETA 2892-A2. The GMT…
As far as I know, this caliber was produced in the mid-eighties to the mid-nineties