Seiko Cal. 6646 - 358

Seiko 6646-358

This Quartz model from 1972 features a 40mm PVD Black case. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-1a5449c605b6]

Also known as: Sportsmatic, Navigator

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
40mm
Case Thickness
11.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1972

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