Seiko Cal. 6657 - 405

Seiko 6657-405

This Spring Drive model from 1965 features a 34mm Hardlex-Coated Steel case. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-f7e79986f1fb]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
15.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Silver
Jewels
19j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1965

Related Models

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