Seiko Cal. 6231 - 629

Released in 1989, the Cal. 6231 with design code 629 was part of Seiko's domestic market collection. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-dfcdceb9fa2f]

Also known as: Helmet, Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1989

Related Models

• Seiko 4457-473
• Seiko 6297-962
• Seiko 7186-680
• Seiko 6251-243
• Seiko 6180-144
• Seiko 7112-449
• Seiko 5228-444
• Seiko 5248-956
• Seiko 3897-857
• Seiko 6174-337
• Seiko 4572-907
• Seiko 4489-392