Seiko Cal. 4427 - 475

The Seiko 4427-475 represents an important milestone in Seiko's 1998 lineup. It features a White dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-f7e78f7bf1ea]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1998

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