Seiko Cal. 6635 - 671

Seiko 6635-671

This Solar model from 1966 features a 45mm Hardlex-Coated Steel case. With its 22mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-fff1fe6357aa]

Also known as: Helmet

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
10.6mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
Silver
Jewels
26j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1966

Related Models

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