Seiko Cal. 4576 - 997

The Seiko 4576-997 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-42c4622d339e]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1971

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