Seiko Cal. 5643 - 154

Seiko 5643-154

This Quartz model from 1977 features a 45mm Titanium case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-d62b398cdbc0]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
45mm
Case Thickness
8.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Cream
Jewels
29j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1977

Related Models

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