Seiko Cal. 4520 - 538

This Quartz model from 1978 features a 46mm PVD Black case. Powered by the 4520 caliber with 35j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-9b76ff2725bf]

Also known as: Silverwave, Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1978

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