Seiko Cal. 6681 - 587

The Seiko 6681-587 represents an important milestone in Seiko's 1989 lineup. Powered by the 6681 caliber with 34j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-c67867ffb474]

Also known as: Tuna, World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1989

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