Seiko Cal. 4578 - 534

Released in 1975, the Cal. 4578 with design code 534 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-1ff03ece0e69]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1975

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