Seiko Cal. 5666 - 154

The 5666-154 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-adddcfb642be]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1994

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