Seiko Cal. 4521 - 571

The 4521-571 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4521 caliber with 18j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-fdf012b783bd]

Also known as: Shogun, Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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