Seiko Cal. 3899 - 170

The Seiko 3899-170 represents an important milestone in Seiko's 1982 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-d5a4a1093be6]

Also known as: Sumo, Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1982

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