Seiko Cal. 3840 - 631

Seiko 3840-631

This Quartz model from 1974 features a 44mm Gold-Plated case. With its 19mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-fe7de0f4a099]

Also known as: Samurai, Helmet

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
8.0mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Green
Jewels
17j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1974

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seikata-wm-fe7de0f4a099