Seiko Cal. 5666 - 957

The 5666-957 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5666 caliber with 17j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-6304ea5fb25b]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1975

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