Seiko Cal. 4578 - 769

Released in 1975, the Cal. 4578 with design code 769 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-90ccca1fd931]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1975

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