Seiko Cal. 4420 - 375

This Automatic model from 1973 features a 35mm PVD Black case. With its 18mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-81742c9cbe9e]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1973

Related Models

• Seiko 7084-661
• Seiko 6121-778
• Seiko 7094-646
• Seiko 6266-855
• Seiko 4545-480
• Seiko 6354-852
• Seiko 3857-185
• Seiko 0739-483
• Seiko 0738-223
• Seiko 7191-610
• Seiko 5614-675
• Seiko 6240-839