Seiko Cal. 4587 - 240

The Seiko 4587-240 represents an important milestone in Seiko's 1999 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-c900acee5305]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1999

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