ROLEX REF. 16570 EXPLORER II STEEL
Rolex, "Oyster Perpetual Date, Explorer II, Superlative Chronometer,
Officially Certified," case No. L681246, Ref. 16570. Made circa 1989.
Fine, two-time zone, center seconds, self-winding, water resistant,
stainless steel wristwatch with date, independently adjustable 12-
hour hand and a stainless steel Oysterlock bracelet. Accompanied
by a Rolex Singapore service receipt dated 2004 and a Rolex service
Three-body, polished and brushed, screwed-down case back
and crown, bezel graduated in 24 hours, sapphire crystal with
White with luminous round, baton and triangular indexes,
outer minute track, aperture for the date. Luminous black skeleton
hands, red arrow hand for the second time zone.
Cal. 3185, rhodium-plated, oeil-de-perdrix decoration, 31 jewels,
straight-line lever escapement, monometallic balance adjusted
to temperatures and 5 positions, shock absorber, self-compensating
Breguet balance spring, hack mechanism.