Seiko Cal. 0771 - 136

Seiko 0771-136

This Spring Drive model from 1971 features a 40mm Hardlex-Coated Steel case. With its 18mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-42e98c6709c1]

Also known as: Monster, Goldfeather

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
10.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Burgundy
Jewels
26j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1971

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