Seiko Cal. 3889 - 810

This Hand-Winding model from 1989 features a 38mm Titanium case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-014e4525addf]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1989

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