Seiko Cal. 4521 - 454

The 4521-454 is a sought-after Solar piece from Seiko's golden era. Powered by the 4521 caliber with 28j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-8a99a1df241c]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1972

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