Seiko Cal. 4471 - 520

The Seiko 4471-520 represents an important milestone in Seiko's 1986 lineup. Powered by the 4471 caliber with 36j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-b555e0fd561b]

Also known as: UFO, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1986

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