Seiko Cal. 7163 - 797

This Hand-Winding model from 1979 features a 43mm Titanium case. It features a Silver dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-2999cc1242ce]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1979

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