Seiko Cal. 6131 - 255

The Seiko 6131-255 represents an important milestone in Seiko's 1988 lineup. Powered by the 6131 caliber with 20j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-4470935214f6]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1988

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