Seiko Cal. 6631 - 868

The 6631-868 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6631 caliber with 33j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-1d1330a74b54]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1979

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