Seiko Cal. 4478 - 660

The Seiko 4478-660 represents an important milestone in Seiko's 1981 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-2f52fab8088b]

Also known as: Helmet, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1981

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