Seiko Cal. 5637 - 906

Seiko 5637-906

This Automatic model from 1973 features a 40mm Titanium case. Powered by the 5637 caliber with 17j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-8eb4eb34e417]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
170m
Dial Color
Champagne
Jewels
17j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1973

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