Seiko Cal. 4578 - 685

The Seiko 4578-685 represents an important milestone in Seiko's 1980 lineup. It features a Black dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-30ad157020e1]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1980

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