Seiko Cal. 4521 - 189

This Solar model from 1977 features a 43mm PVD Black case. Powered by the 4521 caliber with 27j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-3461da42cd95]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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