Seiko Cal. 4577 - 472

The Seiko 4577-472 represents an important milestone in Seiko's 1995 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-d3e34cfe9e69]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1995

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