Seiko Cal. 4520 - 165

Released in 1979, the Cal. 4520 with design code 165 was part of Seiko's domestic market collection. Powered by the 4520 caliber with 34j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-f8765df146fd]

Also known as: Sea Horse, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1979

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