Seiko Cal. 5281 - 731

Seiko 5281-731

This Solar model from 1972 features a 37mm PVD Black case. With its 22mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-604e5e6f23a6]

Also known as: Shogun, Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
37mm
Case Thickness
9.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1972

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