Seiko Cal. 6631 - 500

The Seiko 6631-500 represents an important milestone in Seiko's 1997 lineup. It features a Silver dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-88458dc42507]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1997

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