Seiko Cal. 6311 - 890

The Seiko 6311-890 represents an important milestone in Seiko's 1982 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-e0da84477b62]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1982

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