Seiko Cal. 4540 - 591

Seiko 4540-591

This Kinetic model from 1965 features a 42mm Titanium case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-2c39392ccacf]

Also known as: Monster, Helmet

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
42mm
Case Thickness
11.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1965

Related Models

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