Seiko Cal. 4540 - 431

Seiko 4540-431

This Automatic model from 1973 features a 35mm Titanium case. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-0a1e4b215e00]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
35mm
Case Thickness
12.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1973

Related Models

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