Seiko Cal. 6639 - 424

This Kinetic model from 1999 features a 36mm Stainless Steel case. Powered by the 6639 caliber with 26j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-437859489f9a]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1999

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