Seiko Cal. 6331 - 318

This Automatic model from 1981 features a 34mm Stainless Steel case. Powered by the 6331 caliber with 32j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-092084027f33]

Also known as: Crown, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1981

Related Models

• Seiko 6659-286
• Seiko 3899-712
• Seiko 0734-324
• Seiko 4451-455
• Seiko 6176-337
• Seiko 3892-149
• Seiko 5272-901
• Seiko 5673-695
• Seiko 4570-553
• Seiko 4555-432
• Seiko 5280-108
• Seiko 6174-696