Seiko Cal. 7158 - 839

The Seiko 7158-839 represents an important milestone in Seiko's 1985 lineup. Powered by the 7158 caliber with 32j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-4276d3c0014f]

Also known as: Monster, Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1985

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