Seiko Cal. 6639 - 189

The Seiko 6639-189 represents an important milestone in Seiko's 1994 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-34425d080039]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1994

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