Seiko Cal. 6646 - 139

Seiko 6646-139

This Hand-Winding model from 1988 features a 37mm Titanium case. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-eacffd60b398]

Also known as: Pogue, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
37mm
Case Thickness
8.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1988

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seikata-wm-eacffd60b398