Seiko Cal. 5631 - 944

The Seiko 5631-944 represents an important milestone in Seiko's 1999 lineup. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-2a651b7ccae2]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1999

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