Seiko Cal. 4481 - 449

The Seiko 4481-449 represents an important milestone in Seiko's 1981 lineup. Powered by the 4481 caliber with 27j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-23aad361542f]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1981

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