Seiko Cal. 7128 - 983

The Seiko 7128-983 represents an important milestone in Seiko's 1981 lineup. Powered by the 7128 caliber with 23j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-fa644ff3845a]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1981

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