Manufacturer Seiko Caliber Number 4R72, 4R72A In-House? Yes Movement Type Automatic, self-winding mechanical, skeletonized Diameter 27.4mm Casing Diameter 27mm Thickness...
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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 6R51 Base Caliber Seiko 6R55 In-House? Yes Movement Type Automatic, self-winding mechanical Diameter Unconfirmed Height Unconfirmed...
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 6R35A (6R35) Movement Type Automatic Diameter 27.40mm Casing Diameter 27mm Height 5.25mm Jewels 24 Vibrations Per...
Manufacturer Seiko Caliber Number 4R57, 4R57A Movement Type Automatic Lignes 12”’ Thickness 6.63mm Jewels 29 Vibrations Per Hour 21,600 bph...
Manufacturer Seiko Caliber Number 8L35, 8L35A Movement Type Automatic In-House? Yes Jewel Count 26 jewels Beat Rate / Frequency 28,800...
Manufacturer Seiko Caliber Number 6R35, 6R35A Movement Type Automatic Diameter 27.40mm (needs confirmed) Casing Diameter 27mm (needs confirmed) Height 5.25mm...
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Recent Comments
Hi Thomas, the same manual also states: "Automatic selection of time signal stations (JJY only)"…
MANUAL SAYS RECEIVES ALL SIGNALS, NOT JUST JAPAN.
B04 is also used in the new Breitling Super AVI collection. Very impressive movement
I have had correspondence from Oris to confirm that this movement is based on the…
Most likely was magnetised, and needed to be de-magnetised.
It is susceptible to magnetization. I built some speakers using drivers with strong magnets while…
Way more than I guessed. For the first 6 months, I actually thought that the…