Seiko Cal. 0731 - 150

Seiko 0731-150

This Spring Drive model from 1967 features a 35mm PVD Black case. With its 22mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-58bbef9724d3]

Also known as: Bullhead, Arnie

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
35mm
Case Thickness
11.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
120m
Dial Color
Green
Jewels
31j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1967

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