Seiko Cal. 7158 - 156

This Spring Drive model from 1997 features a 34mm Gold-Plated case. Powered by the 7158 caliber with 31j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-a387d868bcdc]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1997

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