Seiko Cal. 4521 - 372

This Solar model from 1968 features a 42mm PVD Black case. Powered by the 4521 caliber with 32j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-44a400a69e96]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1968

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