Seiko Cal. 6645 - 618

Seiko 6645-618

This Quartz model from 1975 features a 43mm Gold-Plated case. With its 20mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-a530b3510d2e]

Also known as: Bullhead, Bellmatic

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
12.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1975

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seikata-wm-a530b3510d2e