Seiko Cal. 4577 - 619

The 4577-619 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-e44eab5f4a3a]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1968

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