Manufacturer Seiko Caliber Family 4R Type Mechanical, automatic Lignes 12”’ Diameter 27.4mm Jewels (see below) Vibrations Per Hour 21,600 vph...
4R36B
Manufacturer Seiko Caliber Number 4R36, 4R36A In-House? Yes Movement Type Automatic, self-winding mechanical Diameter 27.4mm Casing Diameter 27mm Thickness 5.32mm...
Recent Comments
Same player shoot again. Last week, my Pelagos stopped again. This afternoon, they wrote me…
Should be mecaquartz
I have an Endura dive watch. SWISS UNADJUSTED ONE 1 JEWEL 8810 movement.
Thank you for the information.
This caliber is also found on the Tactical Frog Solar Chronograph.
I have a 733 (SW200) in a 7594 Classic Date.
Due to the movements leaving the factory unregulated. My 1999 vintage “5” once regulated, 0.0ms…