Seiko Cal. 0721 - 423

The Seiko 0721-423 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-8c31f69dba36]

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1975

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