Seiko Cal. 6635 - 766

Seiko 6635-766

This Automatic model from 1993 features a 45mm Hardlex-Coated Steel case. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-72f9f705ecb2]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
15.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Green
Jewels
22j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1993

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seikata-wm-72f9f705ecb2