Seiko Cal. 6640 - 941

Seiko 6640-941

This Quartz model from 1980 features a 44mm Hardlex-Coated Steel case. With its 18mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-99f29e85b733]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
14.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
150m
Dial Color
Champagne
Jewels
31j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1980

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seikata-wm-99f29e85b733