Seiko Cal. 4521 - 247

Released in 1966, the Cal. 4521 with design code 247 was part of Seiko's domestic market collection. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-fe8cef4b158f]

Also known as: Shogun, Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1966

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