Seiko Cal. 6311 - 763

This Quartz model from 1980 features a 46mm Stainless Steel case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-ef8a7ae5713a]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1980

Related Models

• Seiko 6253-212
• Seiko 5285-475
• Seiko 5652-592
• Seiko 6167-420
• Seiko 5617-254
• Seiko 5648-867
• Seiko 7027-978
• Seiko 7150-807
• Seiko 6185-402
• Seiko 4457-452
• Seiko 7091-787
• Seiko 6387-607