Seiko Cal. 4578 - 900

The Seiko 4578-900 represents an important milestone in Seiko's 1985 lineup. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-5220521ff75c]

Also known as: Samurai, Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1985

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