Seiko Cal. 6312 - 498

The Seiko 6312-498 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-eda90c839342]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1987

Related Models

• Seiko 6620-275
• Seiko 7125-998
• Seiko 7169-753
• Seiko 6367-243
• Seiko 5627-816
• Seiko 5694-904
• Seiko 6139-851
• Seiko 7144-780
• Seiko 6138-345
• Seiko 0734-231
• Seiko 6159-945
• Seiko 7164-992