Seiko Cal. 6631 - 852

The 6631-852 is a sought-after Kinetic piece from Seiko's golden era. With its 18mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-bc466fe2e9a5]

Also known as: Pogue, UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1967

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