Seiko Cal. 4422 - 433

Released in 1973, the Cal. 4422 with design code 433 was part of Seiko's domestic market collection. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-cf9ec6c717b5]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1973

Related Models

• Seiko 4520-275
• Seiko 6222-940
• Seiko 4539-830
• Seiko 7122-304
• Seiko 4539-686
• Seiko 6349-576
• Seiko 6157-813
• Seiko 7023-160
• Seiko 4536-479
• Seiko 5699-419
• Seiko 7056-987
• Seiko 6625-360