Seiko Cal. 6639 - 225

The Seiko 6639-225 represents an important milestone in Seiko's 1990 lineup. With its 21mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-6cb78f0f41b9]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1990

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