Seiko Cal. 4579 - 722

The Seiko 4579-722 represents an important milestone in Seiko's 1982 lineup. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-08324c14e518]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1982

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