Side by side

Omega Speedmaster X 33 Marstimer Chronograph 45mmvsHelgray Silverstone (Refurbished)

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Omega Speedmaster X 33 Marstimer Chronograph 45mm

Owners widely appreciate the Omega Speedmaster X 33 Marstimer Chronograph 45mm's light titanium case and legible analog display, with some noting the nearly imperceptible second-hand tick and loud alarm. Reviewers highlight its cool ESA partnership and unique Mars timekeeping functionality, describing it as an instrument-like watch with a compelling aesthetic. However, the 45mm size is considered large by some, and the aluminum bezel and 30m water resistance draw criticism compared to alternatives. The price premium for a quartz movement is also a point of contention, with some finding the Mars timekeeping a niche, "dumb fun" addition. Overall, owners and reviewers find the Omega Speedmaster X 33 Marstimer Chronograph 45mm a distinctive and cool, albeit niche, instrument watch, with its unique functionality and lightweight titanium construction being key draws.

Helgray Silverstone (Refurbished)

Owners widely praise the Helgray Silverstone (Refurbished) for its crisp printing, applied indices, legible date wheel, and solid pushers, noting an amazing fit and finish for the price and an attractive aesthetic. Some owners find the metal bracelet squeaks, and the 24-hour subdial is less desirable than sub seconds. One owner criticizes the thick case, downward-angled lugs that can dig into the wrist, and a crystal with noticeable edge effects. Overall, owners rate the Helgray Silverstone (Refurbished) highly for its impressive build quality and aesthetic appeal at its price point.

At a glance

16 of 29 specs differ
Diameter
Speedmaster X 33 Marstimer Chronograph 45mm45mm
Silverstone (Refurbished)40mm
Power Reserve
Speedmaster X 33 Marstimer Chronograph 45mm
Silverstone (Refurbished)40h
Water Resistance
Speedmaster X 33 Marstimer Chronograph 45mm30m
Silverstone (Refurbished)50m
MSRP
Speedmaster X 33 Marstimer Chronograph 45mm$7,000
Silverstone (Refurbished)$150

Full specifications

Case

7 specs
Diameter
45mm
40mm
Thickness
14.89mm
11.5mm
Lug-to-Lug
48.5mm
47mm
Material
Titanium
Stainless Steel
Finish
Titanium
Brushed and polished
Water Resistance
30m
50m
Caseback
Solid

Crystal & Dial

3 specs
Crystal Shape
Domed
Flat
AR Coating
Inner
Indices
Applied

Movement

5 specs
Caliber
Omega 5622
Seiko VK64 (Meca-Quartz)
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25
Complications
Chronograph
None

Pricing

1 specs
MSRP
$7,000
$150
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