Seiko Cal. 4491 - 397

The Seiko 4491-397 represents an important milestone in Seiko's 1998 lineup. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-647e4ab6f94b]

Also known as: Silverwave, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1998

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