Seiko Cal. 6660 - 590

Seiko 6660-590

This Solar model from 1968 features a 46mm Stainless Steel case. Powered by the 6660 caliber with 30j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-4997f7091ffc]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
13.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1968

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