Seiko Cal. 4531 - 561

The Seiko 4531-561 represents an important milestone in Seiko's 1968 lineup. Powered by the 4531 caliber with 24j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-8a4ed26cf1ea]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1968

Related Models

• Seiko 4475-994
• Seiko 4447-180
• Seiko 3846-581
• Seiko 7115-853
• Seiko 3856-802
• Seiko 6380-630
• Seiko 6612-860
• Seiko 7149-182
• Seiko 5280-977
• Seiko 5645-628
• Seiko 6345-357
• Seiko 7125-488