Seiko Cal. 0740 - 686

The Seiko 0740-686 represents an important milestone in Seiko's 1989 lineup. Powered by the 0740 caliber with 35j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-44e1684204d7]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1989

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