Seiko Cal. 6631 - 873

Seiko 6631-873

This Quartz model from 1975 features a 44mm PVD Black case. With its 18mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-fc5949e66d78]

Also known as: Turtle, Samurai

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
44mm
Case Thickness
12.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
50m
Dial Color
Silver
Jewels
24j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1975

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