Seiko Cal. 4577 - 268

The Seiko 4577-268 represents an important milestone in Seiko's 1972 lineup. It features a Silver dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-1e45ef60d4cb]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1972

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