Seiko Cal. 4420 - 662

The Seiko 4420-662 represents an important milestone in Seiko's 1981 lineup. Powered by the 4420 caliber with 21j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-4d7c6e521823]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1981

Related Models

• Seiko 6177-125
• Seiko 6614-702
• Seiko 7197-198
• Seiko 0751-622
• Seiko 0797-996
• Seiko 7140-778
• Seiko 5248-817
• Seiko 0739-623
• Seiko 5266-667
• Seiko 7157-752
• Seiko 6133-870
• Seiko 3846-266