Seiko Cal. 5639 - 615

The Seiko 5639-615 represents an important milestone in Seiko's 1999 lineup. It features a Green dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-884f822d01c7]

Also known as: Tuna, Bellmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1999

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