Seiko Cal. 6666 - 642

Seiko 6666-642

This Hand-Winding model from 1976 features a 34mm Titanium case. Powered by the 6666 caliber with 20j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-830fae85501b]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
34mm
Case Thickness
10.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1976

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seikata-wm-830fae85501b