Seiko Cal. 4525 - 531

The Seiko 4525-531 represents an important milestone in Seiko's 1977 lineup. Powered by the 4525 caliber with 24j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-2969f975fc08]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

Related Models

• Seiko 6674-923
• Seiko 5678-535
• Seiko 5289-925
• Seiko 7173-381
• Seiko 6650-943
• Seiko 7036-845
• Seiko 3875-441
• Seiko 4555-326
• Seiko 6130-296
• Seiko 7141-680
• Seiko 6214-134
• Seiko 0753-922