Seiko Cal. 5631 - 298

The Seiko 5631-298 represents an important milestone in Seiko's 1997 lineup. It features a Navy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-28906005fa56]

Also known as: Turtle, Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1997

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