Seiko Cal. 5666 - 957

The 5666-957 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5666 caliber with 21j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-494a7168005a]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1998

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