Seiko Cal. 4427 - 818

The Seiko 4427-818 represents an important milestone in Seiko's 1997 lineup. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-d588ca0dc96a]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1997

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