Seiko Cal. 6391 - 871

The Seiko 6391-871 represents an important milestone in Seiko's 1997 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-da260c5166b4]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1997

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