Seiko Cal. 5220 - 666

The Seiko 5220-666 represents an important milestone in Seiko's 1980 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e8243ab9dd88]

Also known as: World Timer, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1980

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