Seiko Cal. 6645 - 896

The Seiko 6645-896 represents an important milestone in Seiko's 1991 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-bbc3e5b6232f]

Also known as: Bullhead, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1991

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