Seiko Cal. 3889 - 731

The Seiko 3889-731 represents an important milestone in Seiko's 1966 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-72b59ae75bb1]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1966

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