Seiko Cal. 4520 - 438

Released in 1974, the Cal. 4520 with design code 438 was part of Seiko's domestic market collection. Powered by the 4520 caliber with 24j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-c09ace7eb492]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1974

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