Seiko Cal. 5637 - 439

Seiko 5637-439

This Solar model from 1972 features a 39mm Stainless Steel case. With its 19mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-9bad56a2c716]

Also known as: Bullhead, Arnie

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1972

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seikata-wm-9bad56a2c716