Side by side

Omega Speedmaster X 33 Marstimer Chronograph 45mmvsSeiko Astron GPS Solar 2025 Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Speedmaster X 33 Marstimer Chronograph 45mm
OmegaSpeedmaster X 33 Marstimer Chronograph 45mm
MSRP $7,000
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,900

At a glance

17 of 29 specs differ
Diameter
Speedmaster X 33 Marstimer Chronograph 45mm45mm
Astron GPS Solar 2025 Limited Edition43.4mm
Power Reserve
Speedmaster X 33 Marstimer Chronograph 45mm
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Speedmaster X 33 Marstimer Chronograph 45mm30m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Speedmaster X 33 Marstimer Chronograph 45mm$7,000
Astron GPS Solar 2025 Limited Edition$2,900

Full specifications

Case

7 specs
Diameter
45mm
43.4mm
Thickness
14.89mm
13.4mm
Lug-to-Lug
48.5mm
49.5mm
Lug Width
20mm
14mm
Finish
Titanium
Brushed and polished
Water Resistance
30m
100m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Domed
Curved
AR Coating
Super-clear coating
Indices
Applied
Lume
None
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
Omega 5622
5X83
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
14
Complications
Chronograph
None

Pricing

1 specs
MSRP
$7,000
$2,900
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