Seiko Cal. 0728 - 738

The 0728-738 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0728 caliber with 35j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-a49ba206c4c9]

Also known as: Goldfeather, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1980

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