Seiko Cal. 4481 - 721

The Seiko 4481-721 represents an important milestone in Seiko's 1983 lineup. Powered by the 4481 caliber with 25j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-ea679d3f3f05]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1983

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