Seiko Cal. 7158 - 686

The Seiko 7158-686 represents an important milestone in Seiko's 1981 lineup. Powered by the 7158 caliber with 31j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-591ca7e2d04b]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1981

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