Seiko Cal. 0728 - 291

The Seiko 0728-291 represents an important milestone in Seiko's 1980 lineup. Powered by the 0728 caliber with 31j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-2a104c07ae8d]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1980

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