Side by side

Alexander James Watches A3 OmenvsSheffield 1A

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
Sheffield1A
MSRP $223
Buy from Alexander James Watches ↗
Buy used on eBay ↗
Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
A3 Omen38mm
1A40mm
Power Reserve
A3 Omen40h
1A—
Water Resistance
A3 Omen100m
1A200m
MSRP
A3 Omen$650
1A$223

Full specifications

Case

4 specs
Category
—
Diver
Diameter
38mm
40mm
Thickness
10.4mm
12.8mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
Dial Color
—
White/Blue
Lume
None
Swiss blue lume

Movement

2 specs
Caliber
Miyota 9039
Seiko NH35A
Power Reserve
40h
—

Pricing

1 specs
MSRP
$650
$223
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
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
Duckworth Prestex California Limited Edition
Duckworth Prestexmicro

California Limited Edition

5 variantsRef. prestex-california
39mm·Automatic·200m WR
$790MSRP
—Used
Sheffield SCR
Sheffieldmicro

SCR

2 variantsRef. scr-grun
40mm·Automatic·200m WR
—MSRP
—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 BOLDR x Nitecore
Boldrmicro
Limited Editions

BOLDR x Nitecore

Ref. boldr-x-nitecore-kraken
38mm·Automatic·200m WR
$449MSRP
—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
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 →
Explore the full catalog

Follow this matchup

Get a note when Alexander James Watches A3 Omen vs Sheffield 1A 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 1ADuckworth Prestex California Limited EditionvsSheffield 1AMonro Adventure Watches Luna AdventurevsSheffield 1AMonro Adventure Watches LUNA ADVENTURE MLA-PNR POINT OF NO RETURN, 9039 Automatic Watch, 39mm EPDM RubbervsSheffield 1AAlexander James Watches A3 OmenvsSheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no dateAlexander James Watches A3 OmenvsBoldr The T Rex By Boldr X Nitecore
Edit this comparisonAdd another watchExplore more 37–41mm watches