Seiko Cal. 4428 - 245

Released in 1991, the Cal. 4428 with design code 245 was part of Seiko's domestic market collection. With its 21mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-4c7ae44daa29]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1991

Related Models

• Seiko 4421-558
• Seiko 4482-282
• Seiko 6210-540
• Seiko 0753-848
• Seiko 6358-195
• Seiko 7088-434
• Seiko 0743-422
• Seiko 4482-226
• Seiko 5640-587
• Seiko 6137-189
• Seiko 5683-981
• Seiko 6229-338