Seiko Cal. 5621 - 703

The Seiko 5621-703 represents an important milestone in Seiko's 1973 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-03fe1e7f9f37]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1973

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