Seiko Cal. 4589 - 637

The Seiko 4589-637 represents an important milestone in Seiko's 1999 lineup. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-5d0a4641d4cc]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1999

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