Seiko Cal. 4421 - 128

The Seiko 4421-128 represents an important milestone in Seiko's 1979 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b9c217a43447]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

Related Models

• Seiko 5252-611
• Seiko 3826-629
• Seiko 5675-479
• Seiko 4434-531
• Seiko 3817-378
• Seiko 3816-549
• Seiko 5643-371
• Seiko 6619-675
• Seiko 6288-535
• Seiko 6650-697
• Seiko 5255-286
• Seiko 5231-877