Seiko Cal. 4511 - 512

This Spring Drive model from 1980 features a 34mm Titanium case. Powered by the 4511 caliber with 34j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-22ebef288c1e]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1980

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