Side by side

Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mmvsSeiko Prospex SPEEDTIMER Mechanical

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

Speedmaster 38 Co Axial Chronometer Chronograph 38mm
OmegaSpeedmaster 38 Co Axial Chronometer Chronograph 38mm
MSRP $23,300
Prospex SPEEDTIMER Mechanical
SeikoProspex SPEEDTIMER Mechanical
MSRP $995
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 38 Co Axial Chronometer Chronograph 38mm

Owners widely praise the Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mm for its suitability for smaller wrists and improved subdial spacing compared to earlier models. The sunburst dial is noted as beautiful, and the design is described as timeless with modern hints. However, some owners find the watch to be too thick and note that the date adjustment requires a pin, which can be inconvenient. The watch can appear "blingier" in person than in photos. Overall, owners rate the Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mm highly for its wearability on smaller wrists and attractive dial.

Seiko Prospex SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

At a glance

19 of 29 specs differ
Diameter
Speedmaster 38 Co Axial Chronometer Chronograph 38mm38mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
Speedmaster 38 Co Axial Chronometer Chronograph 38mm52h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
Speedmaster 38 Co Axial Chronometer Chronograph 38mm100m
Prospex SPEEDTIMER Mechanical200m
MSRP
Speedmaster 38 Co Axial Chronometer Chronograph 38mm$23,300
Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

8 specs
Diameter
38mm
39.5mm
Thickness
14.7mm
12mm
Lug-to-Lug
44.9mm
44.5mm
Lug Width
18mm
20mm
Material
18kt Sedna Gold
Stainless Steel
Finish
Steel
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Domed
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Silver
Black
Indices
Applied
Lume
None
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
Omega 3330
6R55
Beat Rate
0 vph
28,800 vph
Power Reserve
52h
72h
Jewels
0
24
Complications
Chronograph
None

Pricing

1 specs
MSRP
$23,300
$995
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