Side by side

Alexander James Watches A3 OmenvsSheffield 1A 38

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

Add a watch
A3 Omen
Alexander James WatchesA3 Omen
MSRP $650
1A 38
Sheffield1A 38
MSRP $238
Buy from Alexander James Watches ↗
Buy used on eBay ↗
Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

7 of 29 specs differ
Diameter
A3 Omen38mm
1A 3838mm
Power Reserve
A3 Omen40h
1A 38—
Water Resistance
A3 Omen100m
1A 38200m
MSRP
A3 Omen$650
1A 38$238

Full specifications

Case

3 specs
Category
—
Diver
Thickness
10.4mm
12.8mm
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
—
Blue

Movement

2 specs
Caliber
Miyota 9039
Seiko NH35
Power Reserve
40h
—

Pricing

1 specs
MSRP
$650
$238
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Duckworth Prestex Verimatic 39mm
Duckworth Prestexmicro

Verimatic 39mm

5 variantsRef. verimatic
39mm·Automatic·200m WR
$775MSRP
—Used
Islander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
Islandermicro
Under $50

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311

9 watches · 9 variantsUnder $50
40mm·Automatic·200m WR
$399MSRP
—Used
Duckworth Prestex California Limited Edition
Duckworth Prestexmicro

California Limited Edition

5 variantsRef. prestex-california
39mm·Automatic·200m WR
$790MSRP
—Used
Zelos Swordfish 3
Zelosmicro

Swordfish 3

40/42mm
2 watches · 35 variantsSwordfish
40/42mm·Automatic·200m WR
$399MSRP
—Used
Monro Adventure Watches Luna Adventure
Monro Adventure Watchesmicro

Luna Adventure

7 variantsRef. monro-luna-adventure-new-limited-edition-coming-soon
39mm·Automatic·100m WR
$804MSRP
—Used
Boldr The T Rex By Boldr X Nitecore
Boldrmicro

The T Rex By Boldr X Nitecore

Ref. the-t-rex-by-boldr-x-nitecore
40mm·Automatic·200m WR
$499MSRP
—Used
William Wood Fearless
William Woodmicro

Fearless

3 variantsFearless
39mm·Automatic·100m WR
$920MSRP
—Used
Orion Watches Tesseract
Orion Watchesmicro

Tesseract

3 variantsRef. tesseract-cerulean-blue
39mm·Automatic·100m WR
$3,850MSRP
—Used
All alternatives to the A3 Omen →All alternatives to the 1A 38 →
Explore the full catalog

Follow this matchup

Get a note when Alexander James Watches A3 Omen vs Sheffield 1A 38 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Duckworth Prestex Verimatic 39mmvsSheffield 1A 38Duckworth Prestex California Limited EditionvsSheffield 1A 38Monro Adventure Watches Luna AdventurevsSheffield 1A 38Monro Adventure Watches LUNA ADVENTURE MLA-PNR POINT OF NO RETURN, 9039 Automatic Watch, 39mm EPDM RubbervsSheffield 1A 38Alexander James Watches A3 OmenvsSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)Alexander James Watches A3 OmenvsSheffield 1A
Edit this comparisonAdd another watchExplore more 37–39mm watches