Seiko Cal. 4577 - 517

The 4577-517 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-2e59d259fa04]

Also known as: Bullhead, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1977

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