Seiko Cal. 5681 - 339

The Seiko 5681-339 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-fb90de37a7a7]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1978

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