Seiko Cal. 6646 - 817

Seiko 6646-817

This Solar model from 1965 features a 45mm Hardlex-Coated Steel case. Powered by the 6646 caliber with 28j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-04a229941f17]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Black
Jewels
28j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1965

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