Seiko Cal. 6631 - 772

The Seiko 6631-772 represents an important milestone in Seiko's 1967 lineup. With its 20mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-50c10b2b1b88]

Also known as: Pogue, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1967

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