Seiko Cal. 7163 - 844

This Spring Drive model from 1968 features a 38mm Gold-Plated case. Powered by the 7163 caliber with 31j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-7c7039a0eb61]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1968

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