Seiko Cal. 4428 - 867

Released in 1989, the Cal. 4428 with design code 867 was part of Seiko's domestic market collection. Powered by the 4428 caliber with 28j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-fad68a18f0e1]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1989

Related Models

• Seiko 5695-537
• Seiko 6643-144
• Seiko 7034-631
• Seiko 7097-170
• Seiko 5640-637
• Seiko 6243-799
• Seiko 4418-283
• Seiko 6676-127
• Seiko 5272-388
• Seiko 7083-439
• Seiko 6358-265
• Seiko 4532-359