Seiko Cal. 4578 - 218

Released in 1968, the Cal. 4578 with design code 218 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-1535f86fa67a]

Also known as: UFO, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1968

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