Seiko Cal. 6635 - 416

Seiko 6635-416

This Hand-Winding model from 1992 features a 37mm Hardlex-Coated Steel case. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-59ccdd5561d1]

Also known as: Helmet, Navigator

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Green
Jewels
18j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1992

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seikata-wm-59ccdd5561d1