Seiko Cal. 6640 - 677

Seiko 6640-677

This Quartz model from 1973 features a 41mm Gold-Plated case. With its 22mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-32a51a0f925a]

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Champagne
Jewels
34j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1973

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seikata-wm-32a51a0f925a