Seiko Cal. 0721 - 587

The Seiko 0721-587 represents an important milestone in Seiko's 1965 lineup. Powered by the 0721 caliber with 20j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-e535e8032592]

Also known as: Silverwave, Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1965

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