Seiko Cal. 6654 - 398

The Seiko 6654-398 represents an important milestone in Seiko's 1989 lineup. Powered by the 6654 caliber with 23j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-0cda718959dc]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1989

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