Seiko Cal. 4578 - 773

The Seiko 4578-773 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-283753736db1]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1990

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