Seiko Cal. 4540 - 578

Seiko 4540-578

This Automatic model from 1989 features a 37mm Titanium case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-f9df151d20fd]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1989

Related Models

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