Seiko Cal. 6631 - 263

Seiko 6631-263

This Hand-Winding model from 1976 features a 44mm Hardlex-Coated Steel case. With its 18mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-4b241b52a9d8]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Champagne
Jewels
20j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1976

Related Models

seikata-wm-4b241b52a9d8