Seiko Cal. 5263 - 643

Seiko 5263-643

This Automatic model from 1967 features a 37mm Titanium case. Powered by the 5263 caliber with 28j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-2287c80c0a12]

Also known as: Sea Horse

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
12.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Silver
Jewels
28j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1967

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seikata-wm-2287c80c0a12