Seiko Cal. 5280 - 728

The Seiko 5280-728 represents an important milestone in Seiko's 1980 lineup. Powered by the 5280 caliber with 22j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-ac838123012d]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1980

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