Seiko Cal. 7155 - 678

The Seiko 7155-678 represents an important milestone in Seiko's 1969 lineup. Powered by the 7155 caliber with 29j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-09b125ba5af0]

Also known as: Sumo, Pogue

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1969

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