Seiko Cal. 4421 - 453

The Seiko 4421-453 represents an important milestone in Seiko's 1997 lineup. It features a Green dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-53c8baf7f577]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1997

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