Seiko Cal. 4428 - 909

The 4428-909 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4428 caliber with 19j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-cd11d5efbce5]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1994

Related Models

• Seiko 6124-817
• Seiko 6359-996
• Seiko 7159-383
• Seiko 3879-225
• Seiko 3816-366
• Seiko 7097-173
• Seiko 5231-210
• Seiko 6335-956
• Seiko 6652-522
• Seiko 0764-156
• Seiko 7117-709
• Seiko 7166-852