Seiko Cal. 6657 - 476

Seiko 6657-476

This Automatic model from 1983 features a 41mm Titanium case. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-1c1c878b5a2c]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
20j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1983

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