Seiko Cal. 5612 - 830

This Spring Drive model from 1975 features a 45mm Titanium case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-3c9c5ac35ea6]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1975

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