Seiko Cal. 0728 - 257

The Seiko 0728-257 represents an important milestone in Seiko's 1983 lineup. Powered by the 0728 caliber with 26j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-136f81fd3dca]

Also known as: Pogue, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1983

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