Seiko Cal. 4593 - 240

The Seiko 4593-240 represents an important milestone in Seiko's 1971 lineup. Powered by the 4593 caliber with 33j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-090e5a14c68b]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1971

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