Seiko Cal. 4520 - 263

The 4520-263 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4520 caliber with 36j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-014bb2ccae5d]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1978

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