Seiko Cal. 0728 - 446

The Seiko 0728-446 represents an important milestone in Seiko's 1977 lineup. Powered by the 0728 caliber with 35j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-ae2bd43d9e8a]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1977

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