Seiko Cal. 6312 - 631

The Seiko 6312-631 represents an important milestone in Seiko's 1989 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-5da1163bddc8]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1989

Related Models

• Seiko 4541-836
• Seiko 6153-262
• Seiko 0727-885
• Seiko 4426-854
• Seiko 4583-262
• Seiko 0784-274
• Seiko 3898-707
• Seiko 6384-755
• Seiko 5258-948
• Seiko 6675-759
• Seiko 5259-680
• Seiko 6157-613