Seiko Cal. 5690 - 257

The 5690-257 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5690 caliber with 35j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-dabdccd16beb]

Also known as: Helmet, Flighty

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1976

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