Seiko Cal. 6686 - 531

The Seiko 6686-531 represents an important milestone in Seiko's 1986 lineup. Powered by the 6686 caliber with 18j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-9227b77f984d]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1986

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