Seiko Cal. 5639 - 980

The Seiko 5639-980 represents an important milestone in Seiko's 1991 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-1117fe15c353]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1991

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