Seiko Cal. 6648 - 897

The Seiko 6648-897 represents an important milestone in Seiko's 1985 lineup. Powered by the 6648 caliber with 33j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-615dfcd92b49]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1985

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