Seiko Cal. 7155 - 426

The Seiko 7155-426 represents an important milestone in Seiko's 1989 lineup. Powered by the 7155 caliber with 36j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-8a1ace8089ce]

Also known as: Sumo, Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1989

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