Seiko Cal. 5666 - 159

The 5666-159 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5666 caliber with 21j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-c05ae5bfb2a6]

Also known as: Bullhead, Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1970

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