Seiko Cal. 6669 - 631

The Seiko 6669-631 represents an important milestone in Seiko's 1986 lineup. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-c9ab1eefde76]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1986

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