Seiko Cal. 7155 - 845

The Seiko 7155-845 represents an important milestone in Seiko's 1971 lineup. Powered by the 7155 caliber with 19j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-a1b17de521b0]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1971

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