Seiko Cal. 6645 - 950

This Spring Drive model from 1997 features a 43mm Titanium case. Powered by the 6645 caliber with 22j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-aacf2eca42ac]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1997

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