Seiko Cal. 4428 - 972

The Seiko 4428-972 represents an important milestone in Seiko's 1998 lineup. Powered by the 4428 caliber with 29j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-7737e255332c]

Also known as: Emperor, Arnie

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1998

Related Models

• Seiko 7134-935
• Seiko 5689-443
• Seiko 7091-859
• Seiko 7043-582
• Seiko 6186-641
• Seiko 7092-547
• Seiko 6287-681
• Seiko 6348-883
• Seiko 0761-867
• Seiko 7010-337
• Seiko 5254-487
• Seiko 7063-232