Seiko Cal. 5666 - 807

The Seiko 5666-807 represents an important milestone in Seiko's 1976 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-822df9c3305f]

Also known as: Tuna, Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1976

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