Seiko Cal. 7163 - 683

The Seiko 7163-683 represents an important milestone in Seiko's 1979 lineup. It features a Cream dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-9de0b1533fff]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1979

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