Omega Speedmaster Galaxy Express 999vsSerket Watch Co Overdrive Chronograph
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Speedmaster Galaxy Express 999

Overdrive Chronograph
Diameter
42mm
42mm
Lug-to-Lug
n/a
48.4mm
Thickness
n/a
13.3mm
Water Resistance
n/a
100m
MSRP
n/a
$499
Movement
Omega 1861
Seagull ST1901
Case
6 specsThickness
n/a
13.3mm
Lug-to-Lug
n/a
48.4mm
Lug Width
n/a
20mm
Finish
Brushed and Polished
n/a
Water Resistance
n/a
100m
Caseback
Solid
n/a
Crystal & Dial
3 specsCrystal
Acrylic
Sapphire
Dial Color
Black
Sage Green
Indices
Applied
n/a
Movement
4 specsCaliber
Omega 1861
Seagull ST1901
Beat Rate
21,600 vph
0 vph
Power Reserve
0h
n/a
Jewels
18
0
Pricing
1 specsMSRP
n/a
$499
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