Seiko Cal. 4590 - 251

The Seiko 4590-251 represents an important milestone in Seiko's 1996 lineup. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-8052ed235d4f]

Also known as: Helmet, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1996

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