Seiko Cal. 4528 - 230

The Seiko 4528-230 represents an important milestone in Seiko's 1977 lineup. Powered by the 4528 caliber with 21j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-4a3b9c420608]

Also known as: Navigator, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1977

Related Models

• Seiko 7045-715
• Seiko 4579-155
• Seiko 6279-493
• Seiko 0776-699
• Seiko 0718-789
• Seiko 5219-147
• Seiko 6154-231
• Seiko 4557-290
• Seiko 4418-579
• Seiko 6659-190
• Seiko 0759-526
• Seiko 5225-408