Seiko Cal. 4528 - 589

This Spring Drive model from 1976 features a 42mm Hardlex-Coated Steel case. Powered by the 4528 caliber with 25j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-291220eef17f]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1976

Related Models

• Seiko 6676-737
• Seiko 0751-952
• Seiko 7062-992
• Seiko 6672-148
• Seiko 0774-909
• Seiko 0791-268
• Seiko 4413-450
• Seiko 6656-828
• Seiko 6671-999
• Seiko 7094-635
• Seiko 5670-860
• Seiko 6140-574