Seiko Cal. 4580 - 399

The Seiko 4580-399 represents an important milestone in Seiko's 1967 lineup. Powered by the 4580 caliber with 30j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-a290f54bcc4a]

Also known as: Helmet, World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1967

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