Seiko Cal. 5228 - 806

The Seiko 5228-806 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-16293b329002]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1972

Related Models

• Seiko 6197-200
• Seiko 6371-342
• Seiko 5638-384
• Seiko 4591-540
• Seiko 3888-196
• Seiko 0731-431
• Seiko 7174-830
• Seiko 7067-628
• Seiko 4416-295
• Seiko 3829-600
• Seiko 4520-204
• Seiko 5227-871