Seiko Cal. 4557 - 528

The 4557-528 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4557 caliber with 34j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-929216314f5d]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1987

Related Models

• Seiko 6357-183
• Seiko 6250-508
• Seiko 3873-117
• Seiko 7088-833
• Seiko 7084-476
• Seiko 6175-340
• Seiko 5253-271
• Seiko 4577-297
• Seiko 5224-911
• Seiko 4539-726
• Seiko 7051-474
• Seiko 0737-550