Seiko Cal. 4580 - 615

The Seiko 4580-615 represents an important milestone in Seiko's 1973 lineup. It features a Green dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-59c85c8dde1b]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1973

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