Seiko Cal. 4577 - 720

The Seiko 4577-720 represents an important milestone in Seiko's 1993 lineup. It features a Navy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-ee41ebd84640]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1993

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