Seiko Cal. 6657 - 368

Seiko 6657-368

This Hand-Winding model from 1992 features a 39mm PVD Black case. With its 21mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-45783da14733]

Also known as: Navigator, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
15.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
33j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1992

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seikata-wm-45783da14733