Seiko Cal. 7180 - 155

The Seiko 7180-155 represents an important milestone in Seiko's 1965 lineup. Powered by the 7180 caliber with 25j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-769c45b4a885]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1965

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