Seiko Cal. 4590 - 619

The Seiko 4590-619 represents an important milestone in Seiko's 1970 lineup. Powered by the 4590 caliber with 20j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-075e55d1c253]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1970

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