Seiko Cal. 5646 - 539

Seiko 5646-539

This Spring Drive model from 1974 features a 45mm Hardlex-Coated Steel case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-4c8d34790592]

Also known as: Samurai, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
13.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
White
Jewels
30j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1974

Related Models

seikata-wm-4c8d34790592