Seiko Cal. 5666 - 486

The 5666-486 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-05f96612f862]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1988

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