Seiko Cal. 6645 - 849

This Spring Drive model from 1986 features a 44mm Gold-Plated case. Powered by the 6645 caliber with 24j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-10e08facabf5]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1986

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