Seiko Cal. 4587 - 305

The Seiko 4587-305 represents an important milestone in Seiko's 1986 lineup. Powered by the 4587 caliber with 19j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-f0c659a2ac11]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1986

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