Seiko Cal. 4457 - 721

The 4457-721 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-1db605ff102e]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1995

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