Seiko Cal. 7055 - 363

This Spring Drive model from 1972 features a 36mm PVD Black case. Powered by the 7055 caliber with 24j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-bde9f2f78e12]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1972

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