Seiko Cal. 5639 - 726

Seiko 5639-726

This Hand-Winding model from 1972 features a 35mm Gold-Plated case. Powered by the 5639 caliber with 23j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-52acfb03c2e1]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
12.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1972

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