Seiko Cal. 4516 - 431

The Seiko 4516-431 represents an important milestone in Seiko's 1975 lineup. Powered by the 4516 caliber with 29j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-ddeed0aa8832]

Also known as: UFO, Goldfeather

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1975

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