Seiko Cal. 4581 - 632

The Seiko 4581-632 represents an important milestone in Seiko's 1983 lineup. Powered by the 4581 caliber with 24j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-283846897880]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1983

Related Models

• Seiko 7041-891
• Seiko 4431-339
• Seiko 7134-948
• Seiko 3824-710
• Seiko 7046-729
• Seiko 4553-254
• Seiko 3831-222
• Seiko 6643-594
• Seiko 0759-341
• Seiko 6168-851
• Seiko 7153-693
• Seiko 6160-878