Seiko Cal. 4422 - 776

This Spring Drive model from 1973 features a 35mm Stainless Steel case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-b591c7d0c470]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1973

Related Models

• Seiko 6138-432
• Seiko 3815-538
• Seiko 3881-724
• Seiko 7030-701
• Seiko 4583-111
• Seiko 6621-331
• Seiko 5685-379
• Seiko 6211-912
• Seiko 0798-374
• Seiko 7172-117
• Seiko 6286-908
• Seiko 5618-235