Seiko Cal. 6631 - 620

The Seiko 6631-620 represents an important milestone in Seiko's 1972 lineup. With its 21mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-991d4dd0dbb0]

Also known as: Pogue

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1972

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