Seiko Cal. 4431 - 868

Seiko 4431-868

This Hand-Winding model from 1977 features a 40mm Gold-Plated case. With its 20mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-7e7ba1590d33]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Burgundy
Jewels
23j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1977

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seikata-wm-7e7ba1590d33