Seiko Cal. 6640 - 125

Seiko 6640-125

This Hand-Winding model from 1997 features a 37mm Hardlex-Coated Steel case. With its 22mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-c5473c0af2f3]

Also known as: Silverwave, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
150m
Dial Color
Burgundy
Jewels
19j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1997

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