Omega
Speedmaster
CHRONOSCOPE CO‑AXIAL MASTER CHRONOMETER CHRONOGRAPH 43 MM

Steel on Steel

Ref. 329.30.43.51.03.001

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The Chronoscope collection has taken the legendary Speedmaster design and combined it with inspiration from OMEGA’s chronograph wristwatches from the 1940s.

This 43 mm model is crafted in stainless steel with a blue dial with silvery subdials. Along with a blue anodized aluminium bezel ring with its tachymeter scale, the leaf-shaped hands and Arabic numerals are rhodium-plated, with a unique “spiral” track pattern running beneath the numbers.

Most notably, the dial is printed with three distinctive timing scales in a 1940’s “snail” design, including a tachymeter scale, a pulsometer scale and a telemeter scale.

Presented on a stainless steel bracelet, the watch features a silvery small-seconds counter at 9H, and a silvery 60-minute and 12-hour recorder at 3H. Inside, the timepiece is driven by the OMEGA Co-Axial Master Chronometer Calibre 9908.

Case

Total product weight (approx.) 145 g
Between lugs 21 mm
Lug‑to‑lug 48.6 mm
Case Steel
Case Diameter 43 mm
Water resistance 5 bar (50 metres / 167 feet)

Features

Anti‑magnetic
Chronograph
Chronometer
Pulsometer
Master Chronometer Certified
Small seconds
Transparent case back
Time zone function
Tachymeter
Telemeter

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Specifications

Case Material Steel
Water Resistance 5 bar (50 metres / 167 feet)
Case Diameter 44.25 mm
Thickness 14.9 mm
Between lugs 21 mm

Dial Color Blue
Crystal Scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides

Bracelet

Bracelet Material Steel
Type of Clasp Foldover clasp with comfort setting

Calibre OMEGA 9920
Self-winding chronograph with column wheel and Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Spirate™ System for fine rate adjustment, 2 barrels mounted in series, time zone function. Central hour, minute and chronograph seconds hands, small seconds hand, 12-hour and 60-minute recorders. Rhodium plated finish with Geneva waves in arabesque.
Power Reserve 60 Hours
Type SELF WINDING
Frequency 4 Hz

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Omega
Speedmaster
CHRONOSCOPE CO‑AXIAL MASTER CHRONOMETER CHRONOGRAPH 43 MM

Case

Features

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the assortment

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Specifications

Bracelet