Seiko Cal. 6657 - 160

Seiko 6657-160

This Hand-Winding model from 1984 features a 34mm Hardlex-Coated Steel case. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-cca534725b6f]

Also known as: Monster, Crown

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
15.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
40m
Dial Color
Burgundy
Jewels
29j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1984

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