Seiko Cal. 5677 - 764

Seiko 5677-764

This Automatic model from 1972 features a 38mm Hardlex-Coated Steel case. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-5bdb47a6ca83]

Also known as: Bellmatic, Navigator

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
11.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
White
Jewels
20j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1972

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seikata-wm-5bdb47a6ca83