Seiko Cal. 5666 - 782

The 5666-782 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-67922c460966]

Also known as: Bullhead, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1977

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