Seiko Cal. 0721 - 406

This Hand-Winding model from 1979 features a 41mm Gold-Plated case. Powered by the 0721 caliber with 20j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-e4ed3db98db7]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1979

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