Seiko Cal. 7163 - 804

The 7163-804 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-08df7e677fae]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1976

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