Seiko Cal. 6646 - 590

Seiko 6646-590

This Hand-Winding model from 1991 features a 39mm Hardlex-Coated Steel case. Powered by the 6646 caliber with 20j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-c65ef464f4e8]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
15.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
190m
Dial Color
Burgundy
Jewels
20j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1991

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