Side by side

Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mmvsSeiko Essentials Chronograph

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 $8,700
Essentials Chronograph
SeikoEssentials Chronograph
MSRP $415
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 refined 38mm sizing, which offers a perfect fit on smaller wrists, and its excellent chronometer accuracy, averaging around -1 second per day. The sunburst dial is considered excellent, though some find the watch appears "blingier" in person than in photos. A drawback noted by one owner is the pin-operated date change mechanism, which prevents adjustments while the watch is in use, and the lack of a screw-down crown. On balance, owners rate the Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mm highly for its comfortable wearability and updated design on smaller wrists.

Seiko Essentials Chronograph

Owners widely praise the Seiko Essentials Chronograph for its beauty and comfort at its price point, with one owner noting the 41mm case wore smaller than expected and appreciated the lightweight feel for active wear. A specific concern raised by one owner is the potential for the orange stripe on the stopwatch button to expand and detach in heat. Opinions on the dark greenish dial are mixed, with one owner preferring a black dial while another was drawn to the subtle green effect. On balance, owners rate the Seiko Essentials Chronograph highly for its aesthetic appeal and wearability at its accessible price.

At a glance

18 of 29 specs differ
Diameter
Speedmaster 38 Co Axial Chronometer Chronograph 38mm38mm
Essentials Chronograph40mm
Power Reserve
Speedmaster 38 Co Axial Chronometer Chronograph 38mm52h
Essentials Chronograph40h
Water Resistance
Speedmaster 38 Co Axial Chronometer Chronograph 38mm100m
Essentials Chronograph100m
MSRP
Speedmaster 38 Co Axial Chronometer Chronograph 38mm$8,700
Essentials Chronograph$415

Full specifications

Case

7 specs
Diameter
38mm
40mm
Thickness
14.7mm
11.5mm
Lug-to-Lug
44.9mm
45.8mm
Lug Width
18mm
20mm
Material
Steel & Yellow Gold
Stainless Steel
Finish
Steel
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Domed
Flat
AR Coating
Inner
Dial Color
Silver
Black
Indices
Applied

Movement

6 specs
Caliber
Omega 3330
8T63
Type
Automatic
Quartz
Beat Rate
0 vph
28,800 vph
Power Reserve
52h
40h
Jewels
0
25
Complications
Chronograph
None

Pricing

1 specs
MSRP
$8,700
$415
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