Seiko Cal. 6631 - 223

The Seiko 6631-223 represents an important milestone in Seiko's 1992 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-bcad78315683]

Also known as: Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1992

Related Models

• Seiko 4588-826
• Seiko 6136-387
• Seiko 4462-539
• Seiko 7061-841
• Seiko 6677-718
• Seiko 6627-831
• Seiko 7165-184
• Seiko 6110-737
• Seiko 0794-540
• Seiko 4458-363
• Seiko 7043-317
• Seiko 4430-480