Seiko Cal. 4481 - 750

The Seiko 4481-750 represents an important milestone in Seiko's 1987 lineup. Powered by the 4481 caliber with 30j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-9e3812e85e8f]

Also known as: Sea Horse, Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1987

Related Models

• Seiko 6665-654
• Seiko 7083-152
• Seiko 3836-996
• Seiko 4414-772
• Seiko 4499-225
• Seiko 6198-908
• Seiko 7149-190
• Seiko 6651-954
• Seiko 7038-431
• Seiko 6374-331
• Seiko 6616-828
• Seiko 6663-229