Seiko Cal. 6660 - 558

Seiko 6660-558

This Spring Drive model from 1972 features a 44mm Hardlex-Coated Steel case. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-bf06c8d834ed]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
10.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
30m
Dial Color
Green
Jewels
19j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1972

Related Models

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