Seiko Cal. 4577 - 920

The Seiko 4577-920 represents an important milestone in Seiko's 1994 lineup. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-5c1e218b0fe7]

Also known as: Silverwave, Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1994

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