Seiko Cal. 6639 - 234

The Seiko 6639-234 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-857b8db34ff9]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1978

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