Seiko Cal. 5639 - 280

Released in 1999, the Cal. 5639 with design code 280 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-6dc485ac8599]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1999

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