Seiko Cal. 6639 - 121

The Seiko 6639-121 represents an important milestone in Seiko's 1998 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-72ce9ff1dae5]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1998

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