TUDOR REF. 9121 PRINCE OYSTERDATE STEEL
Tudor Prince Oyster Date, Rotor Self-Winding, No. 880608,
Ref. 9121/0, case made by Rolex, Geneva. Made in the 1970s.
Fine, center seconds, self-winding, water-resistant, stainless steel
wristwatch with date and a stainless steel Tudor Oyster bracelet.
Three-body, polished and brushed, screwed-down case back
and crown, graduated bi-directional revolving blue bezel, Twinlock
winding-crown, crystal with cyclops lens.
Midnight blue with applied steel luminous baton indexes, outer
minute/seconds track, aperture for the date. Luminous steel baton
Cal. 2784, rhodium-plated, 25 jewels, straight-line lever escapement,
monometallic balance, shock absorber, self-compensating
flat balance spring.