Seiko Cal. 3889 - 928

The Seiko 3889-928 represents an important milestone in Seiko's 1993 lineup. Powered by the 3889 caliber with 30j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-6c3b9dd183c4]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1993

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