Seiko Cal. 6631 - 504

Seiko 6631-504

This Kinetic model from 1975 features a 36mm Titanium case. With its 19mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-cb6c1b24576d]

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
36mm
Case Thickness
13.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Cream
Jewels
35j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1975

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