Roger DubuisRef. MS 34.21.9
Year of manufacture1111
ROGER DUBUIS SEA MORE JUST FOR FRIENDS
SPORT ACTIVITY STEEL
Roger Dubuis, "Sport Activity Watch, 300m/990ft", movement No.
4296, No. 135 / 888, Ref. MS 34.21.9. Made in a limited series of 888
pieces circa 2010.
Fine and unusual, large, rectangular curved, self-winding, water-
resistant, stainless steel wristwatch with white gold bezel and a
stainless steel Roger Dubuis deployant clasp. Accompanied by a
fitted box and hang tag.
Three-body, polished and brushed, half hooded lugs with
screw-bars, reeded graduated white gold bezel, engraved transparent
case back with 8 screws, protected screwed-down crown,
Textured black with applied luminous steel Roman numerals
and tapered baton indexes, inner minute track, subsidiary seconds
dial at 9. Luminous steel baton hands.
Cal RD 21, rhodium plated, cotes de Genève decoration,
stamped with the Seal of Geneva quality mark, 29 jewels, straight-
line lever escapement, monometallic balance adjusted to five
positions, shock absorber, self-compensating flat balance spring,
engraved gold rotor.