Seiko Cal. 6633 - 966

Seiko 6633-966

This Hand-Winding model from 1980 features a 34mm Hardlex-Coated Steel case. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-492f5c8591e7]

Also known as: Sumo, Silverwave

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
13.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
80m
Dial Color
White
Jewels
23j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1980

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seikata-wm-492f5c8591e7