Seiko Cal. 4539 - 150

Seiko 4539-150

This Spring Drive model from 1976 features a 42mm Hardlex-Coated Steel case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-93d8af4089d9]

Also known as: Monster, Bullhead

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
12.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Black
Jewels
18j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1976

Related Models

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