Seiko Cal. 6640 - 794

Seiko 6640-794

This Hand-Winding model from 1970 features a 41mm Stainless Steel case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-109d423e30b8]

Also known as: Monster, Pogue

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
15.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Black
Jewels
32j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1970

Related Models

seikata-wm-109d423e30b8