Seiko Cal. 6178 - 531

Seiko 6178-531

This Spring Drive model from 1970 features a 39mm Stainless Steel case. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-a27534b48d12]

Also known as: Monster, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
10.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Burgundy
Jewels
33j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1970

Related Models

seikata-wm-a27534b48d12