Seiko Cal. 4577 - 321

The Seiko 4577-321 represents an important milestone in Seiko's 1986 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-002c95b19252]

Also known as: Crown, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1986

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