Seiko Cal. 6156 - 537

Seiko 6156-537

This Automatic model from 1970 features a 37mm Hardlex-Coated Steel case. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-a73d81b0bc54]

Also known as: Monster, Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
80m
Dial Color
Champagne
Jewels
25j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1970

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