Seiko Cal. 5631 - 412

The Seiko 5631-412 represents an important milestone in Seiko's 1998 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-9a75a4ded2e9]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1998

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