Seiko Cal. 4588 - 903

The Seiko 4588-903 represents an important milestone in Seiko's 1986 lineup. Powered by the 4588 caliber with 20j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-e723cf040dbc]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1986

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