Seiko Cal. 4521 - 456

This Solar model from 1974 features a 46mm Hardlex-Coated Steel case. Powered by the 4521 caliber with 34j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-8f9a5c079642]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1974

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