Seiko Cal. 4422 - 207

Released in 1979, the Cal. 4422 with design code 207 was part of Seiko's domestic market collection. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-6d096cfe2dff]

Also known as: Sumo, Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1979

Related Models

• Seiko 0746-276
• Seiko 6170-415
• Seiko 4537-292
• Seiko 4546-226
• Seiko 7099-652
• Seiko 5222-499
• Seiko 6142-205
• Seiko 0716-759
• Seiko 6392-447
• Seiko 6660-926
• Seiko 3870-655
• Seiko 5684-732