Seiko Cal. 4587 - 637

The Seiko 4587-637 represents an important milestone in Seiko's 1986 lineup. It features a White dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-e22076809f3a]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1986

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