Seiko Cal. 4590 - 155

The Seiko 4590-155 represents an important milestone in Seiko's 1987 lineup. Powered by the 4590 caliber with 17j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-c3a03258b174]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1987

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