Seiko Cal. 6660 - 837

Seiko 6660-837

This Hand-Winding model from 1967 features a 37mm Stainless Steel case. With its 21mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-3104540bf189]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Burgundy
Jewels
34j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1967

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