Seiko Cal. 4537 - 140

Seiko 4537-140

This Automatic model from 1971 features a 42mm Gold-Plated case. With its 21mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-a8ae0764f38b]

Also known as: Tuna, Bellmatic

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
8.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Green
Jewels
20j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1971

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