Seiko Cal. 7163 - 985

The 7163-985 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-a63093c5b314]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

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