Seiko Cal. 0728 - 924

Released in 1970, the Cal. 0728 with design code 924 was part of Seiko's domestic market collection. Powered by the 0728 caliber with 28j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-bd54903df4c7]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1970

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