Seiko Cal. 4480 - 720

The Seiko 4480-720 represents an important milestone in Seiko's 1976 lineup. Powered by the 4480 caliber with 33j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-d4f41e2d4f7e]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1976

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