Seiko Cal. 4457 - 455

The Seiko 4457-455 represents an important milestone in Seiko's 1982 lineup. It features a Black dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-060831ff0ee8]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1982

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