Seiko Cal. 7155 - 627

This Automatic model from 1972 features a 34mm PVD Black case. Powered by the 7155 caliber with 21j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-46e22bd94201]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1972

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