Seiko Cal. 4420 - 199

The Seiko 4420-199 represents an important milestone in Seiko's 1966 lineup. Powered by the 4420 caliber with 20j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-f0dc6bb6f7ec]

Also known as: Sumo, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1966

Related Models

• Seiko 0752-496
• Seiko 4535-244
• Seiko 7098-969
• Seiko 6290-364
• Seiko 5695-875
• Seiko 7091-875
• Seiko 4539-176
• Seiko 4538-979
• Seiko 6157-292
• Seiko 7094-470
• Seiko 3851-924
• Seiko 6336-913