Seiko Cal. 4420 - 446

The Seiko 4420-446 represents an important milestone in Seiko's 1974 lineup. With its 22mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-9ab339610fc6]

Also known as: Samurai, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1974

Related Models

• Seiko 6184-906
• Seiko 3842-412
• Seiko 6293-989
• Seiko 6285-638
• Seiko 3895-550
• Seiko 7170-552
• Seiko 4419-925
• Seiko 6250-611
• Seiko 4565-720
• Seiko 4461-851
• Seiko 6647-778
• Seiko 5665-729