Seiko Cal. 6637 - 837

Seiko 6637-837

This Solar model from 1967 features a 37mm Titanium case. Powered by the 6637 caliber with 34j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-d42700b4ad40]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
37mm
Case Thickness
10.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Burgundy
Jewels
34j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1967

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seikata-wm-d42700b4ad40