Seiko Cal. 4590 - 627

The Seiko 4590-627 represents an important milestone in Seiko's 1966 lineup. Powered by the 4590 caliber with 17j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-5abb37a711c4]

Also known as: Helmet, Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1966

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