Seiko Cal. 4539 - 232

Seiko 4539-232

This Automatic model from 1978 features a 40mm Titanium case. With its 22mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-18f0a9efa0b3]

Also known as: Helmet, World Timer

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
14.1mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Navy
Jewels
19j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1978

Related Models

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