Seiko Cal. 4577 - 446

The Seiko 4577-446 represents an important milestone in Seiko's 1982 lineup. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-7d547247cab6]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1982

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