Seiko Cal. 7158 - 140

The Seiko 7158-140 represents an important milestone in Seiko's 1991 lineup. Powered by the 7158 caliber with 20j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-685058bd03ab]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1991

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