Seiko Cal. 4521 - 686

This Solar model from 1975 features a 42mm PVD Black case. With its 20mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-5cd3db1ce376]

Also known as: Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1975

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