Manufacturer Seiko Caliber Number 4R57, 4R57A Movement Type Automatic Lignes 12”’ Thickness 6.63mm Jewels 29 Vibrations Per Hour 21,600 bph...
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Manufacturer Seiko Caliber Number 4R71, 4R71A In-House? Yes Movement Type Automatic, self-winding mechanical, skeletonized Diameter 27.4mm Casing Diameter 27mm Thickness...
Manufacturer Seiko Caliber Number 4R72, 4R72A In-House? Yes Movement Type Automatic, self-winding mechanical, skeletonized Diameter 27.4mm Casing Diameter 27mm Thickness...
Manufacturer Seiko Caliber Number 6R31, 6R31A Movement Type Automatic Diameter 27.40mm (needs confirmed) Casing Diameter 27mm (needs confirmed) Height 5.25mm...
Manufacturer Seiko Caliber Number 6R35, 6R35A Movement Type Automatic Diameter 27.40mm (needs confirmed) Casing Diameter 27mm (needs confirmed) Height 5.25mm...
Manufacturer Seiko Caliber Number 6R35A (6R35) Movement Type Automatic Diameter 27.40mm Casing Diameter 27mm Height 5.25mm Jewels 24 Vibrations Per...
Manufacturer Seiko Caliber Number 6R51 Base Caliber Seiko 6R55 In-House? Yes Movement Type Automatic, self-winding mechanical Diameter Unconfirmed Height Unconfirmed...
Manufacturer Seiko Caliber Number 8L35, 8L35A Movement Type Automatic In-House? Yes Jewel Count 26 jewels Beat Rate / Frequency 28,800...
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Recent Comments
In my opinion, eta 2892- 2894 it s better in term of keeping time than…
Used by the Orion Hellcat
There is no regulator on the escapement, regulation is achieved using a laser adjustment system…
Thank you.
The 01 number varies according to the position of the complication. For example ST3600 is…
Hi Thomas, the same manual also states: "Automatic selection of time signal stations (JJY only)"…
MANUAL SAYS RECEIVES ALL SIGNALS, NOT JUST JAPAN.