Seiko Cal. 4521 - 591

The Seiko 4521-591 represents an important milestone in Seiko's 1965 lineup. Powered by the 4521 caliber with 35j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-6d3d5bf48ced]

Also known as: Pogue

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1965

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