Seiko Cal. 4581 - 732

The Seiko 4581-732 represents an important milestone in Seiko's 1975 lineup. Powered by the 4581 caliber with 34j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-294d38900226]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

Related Models

• Seiko 5296-179
• Seiko 5668-704
• Seiko 6193-282
• Seiko 0725-478
• Seiko 7192-157
• Seiko 4482-594
• Seiko 7180-780
• Seiko 5635-788
• Seiko 3827-206
• Seiko 0755-887
• Seiko 4443-323
• Seiko 4449-605