Seiko Cal. 0721 - 593

The Seiko 0721-593 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-9a33cb056884]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1974

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