Seiko Cal. 0728 - 193

The 0728-193 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0728 caliber with 18j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-1bd4cda3a072]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1966

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