Seiko Cal. 6686 - 531

Seiko 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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