Seiko Cal. 5666 - 676

The Seiko 5666-676 represents an important milestone in Seiko's 1968 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-ad11717cfae8]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1968

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