Seiko Cal. 6644 - 156

Seiko 6644-156

This Automatic model from 1991 features a 40mm Titanium case. With its 19mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-b3cd23f9086b]

Also known as: Sumo, Shogun

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
10.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Champagne
Jewels
36j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1991

Related Models

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