Seiko Cal. 6231 - 984

Released in 1970, the Cal. 6231 with design code 984 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-2dbf707aa5bf]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

Related Models

• Seiko 6637-258
• Seiko 6678-432
• Seiko 3873-582
• Seiko 5287-732
• Seiko 7149-406
• Seiko 7077-937
• Seiko 7169-309
• Seiko 6359-391
• Seiko 6617-673
• Seiko 7092-222
• Seiko 4597-675
• Seiko 0731-502