Seiko Cal. 6663 - 656

Seiko 6663-656

This Automatic model from 1973 features a 35mm Titanium case. With its 21mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-2d4244c85bde]

Also known as: Sumo, Navigator

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
35mm
Case Thickness
15.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Burgundy
Jewels
25j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1973

Related Models

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