Seiko Cal. 4577 - 498

The Seiko 4577-498 represents an important milestone in Seiko's 1996 lineup. Powered by the 4577 caliber with 18j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-45f015b1d004]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1996

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