Seiko Cal. 6291 - 591

The Seiko 6291-591 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-03a59b775269]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1981

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