Seiko Cal. 0721 - 451

This Hand-Winding model from 1976 features a 37mm Gold-Plated case. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-82f0b2e4d271]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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