Seiko Cal. 6698 - 646

The Seiko 6698-646 represents an important milestone in Seiko's 1988 lineup. Powered by the 6698 caliber with 25j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-b8db5632188a]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1988

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