Side by side

Alexander James Watches A3 OmenvsSeagull Extraordinary Series Moon Phase Dress Watch 40mm

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
See the full A3 Omen
Extraordinary Series Moon Phase Dress Watch 40mm
SeagullExtraordinary Series Moon Phase Dress Watch 40mm
MSRP $609
See the full Extraordinary Series Moon Phase Dress Watch 40mm
Buy from Alexander James Watches ↗
Buy used on eBay ↗
Buy from Seagull ↗
Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

8 of 29 specs differ
Diameter
A3 Omen38mm
Extraordinary Series Moon Phase Dress Watch 40mm40mm
Power Reserve
A3 Omen—
Extraordinary Series Moon Phase Dress Watch 40mm—
Water Resistance
A3 Omen100m
Extraordinary Series Moon Phase Dress Watch 40mm50m
MSRP
A3 Omen$650
Extraordinary Series Moon Phase Dress Watch 40mm$609

Full specifications

Case

5 specs
Diameter
38mm
40mm
Thickness
10.4mm
12mm
Lug-to-Lug
46mm
40mm
Lug Width
20mm
16mm
Water Resistance
100m
50m

Crystal & Dial

1 specs
Dial Color
—
—

Movement

1 specs
Caliber
Miyota 9039
ST1818

Pricing

1 specs
MSRP
$650
$609
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 variantsSeries
39mm·Automatic·200m WR
$775MSRP
—Used
Colomer & Sons Portofino Sera
Colomer & Sonsmicro

Portofino Sera

40mm·Automatic·100m WR
$522MSRP
—Used
Le Forban Sécurité Mer La Rochelaise
Le Forban Sécurité Mermicro

La Rochelaise

39mm·Automatic·150m WR
—MSRP
—Used
DuFrane Watches Waterloo 39mm Mechanical Sporty Dress Watch
DuFrane Watchesmicro

Waterloo 39mm Mechanical Sporty Dress Watch

3 variantsSeries
39mm·Automatic·100m WR
$899MSRP
—Used
Monro Adventure Watches Luna Adventure
Monro Adventure Watchesmicro

Luna Adventure

7 variantsSeries
39mm·Automatic·100m WR
$804MSRP
—Used
Islander Brookville Hi-Beat Automatic Dress Watch
Islandermicro

Brookville Hi-Beat Automatic Dress Watch

2 variantsBrookville Hi-Beat Automatic Dress Watch
38mm·Automatic·100m WR
$349MSRP
—Used
Astor + Banks Fortitude Lite
Astor + Banksmicro

Fortitude Lite

3 watches · 20 variantsFortitude
38.5mm·Automatic·200m WR
$650MSRP
—Used
Atelier Wen Porcelain Odyssey — Hao
Atelier Wenmicro

Porcelain Odyssey — Hao

3 watches · 7 variantsPorcelain Odyssey
39mm·Automatic
$710MSRP
—Used
All alternatives to the A3 Omen →All alternatives to the Extraordinary Series Moon Phase Dress Watch 40mm →
Explore the full catalog
DiscussionNot started
Adjacent matchups

People also compared

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

Alexander James Watches A3 Omen IIvsSeagull Extraordinary Series Moon Phase Dress Watch 40mmMonro Adventure Watches Luna AdventurevsSeagull Extraordinary Series Moon Phase Dress Watch 40mmBaltic Hermétique TourervsSeagull Extraordinary Series Moon Phase Dress Watch 40mmMMI Watches AWAGAMI FACTORY X MMI WATCHES: "BLUE WASHI DIAL" MODEL NL-02 (PROTOTYPE - REFURBISHED) (DELIVERY: 1ST WEEK OF JUNE 2026)vsSeagull Extraordinary Series Moon Phase Dress Watch 40mmAlexander James Watches A3 OmenvsSeagull Ultra-thin Moon Phase Dress Watch 38mmAlexander James Watches A3 OmenvsSeagull Moon Phase Dress Watch 41mm
Edit this comparisonAdd another watchExplore more 37–41mm watches