Seiko Cal. 4521 - 224

The 4521-224 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4521 caliber with 30j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-6bc4bb5bf01f]

Also known as: Shogun, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1966

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