Seiko Cal. 7183 - 443

This Spring Drive model from 1991 features a 40mm Stainless Steel case. It features a Green dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-6f5051ab88d9]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1991

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