Omega Master Chronometer Cal. 3861, manual winding, Co-Axial escapement with Silicon (Si14) balance spring.
Hours, minutes, second, 12-hour chronograph
Following the famous design of the Speedmaster
BA145.022, this new chronograph has been
crafted from an exclusive new 18K gold alloy
and is powered by a brand new manual-winding
Master Chronometer calibre 3861.
18K Moonshine™ Gold
The case, bracelet, dial, hour-markers and
hour-minute hands have all been created in
18K Moonshine™ gold - a unique new alloy
whose colour is inspired by the shining moonlight
in a dark blue sky. In a paler hue than
traditional 18K yellow gold, Moonshine™
gold offers high resistance to the fading of
colour and lustre over time.
This Speedmaster is driven by the OMEGA
Master Chronometer Calibre 3861 – a manualwinding
movement with Co-Axial escapement,
silicon Si14 balance spring, Moonshine™
gold-plated main plate and bridges and
Burgundy Ceramic [ZrO2] Bezel
Remaining true to the historical piece of 1969,
OMEGA has included a burgundy bezel ring –
this time in ceramic [ZrO2], according to a
special patent pending process, with its
tachymeter scale in Ceragold™. Following the
first generation of the Speedmaster tachymeter
scale, which graduated to 500 units per hour,
this new model features a marker dot above 90
(also known as “Dot Over 90” or “DON”).
Case and Bracelet
The polished and brushed 42 mm case of this
timepiece features the asymmetrical caseband
of the 4th generation Speedmaster.
Around the wrist, the brushed-polished
bracelet bears the five–arched-links-per-row
design and a grooved clasp with an applied