Seiko Cal. 7163 - 115

This Spring Drive model from 1990 features a 37mm Gold-Plated case. Powered by the 7163 caliber with 36j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-07c4d9cfceae]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1990

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