Side by side

Aera Instruments M-1vsSeiko DressKX

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

M-1
Aera InstrumentsM-1
DressKX
SeikoDressKX
MSRP $315

At a glance

12 of 29 specs differ
Diameter
M-139mm
DressKX40mm
Power Reserve
M-142h
DressKX41h
Water Resistance
M-1100m
DressKX100m
MSRP
M-1—
DressKX$315

Full specifications

Case

4 specs
Category
—
Sport
Diameter
39mm
40mm
Thickness
13.14mm
11.5mm
Lug-to-Lug
47.6mm
44.6mm

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Dune
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Sellita SW216-1
4R36
Type
Manual
Automatic
Power Reserve
42h
41h
Jewels
25
24

Pricing

1 specs
MSRP
—
$315

Follow this matchup

Get a note when Aera Instruments M-1 vs Seiko DressKX gets more votes, a community discussion, or a price drop. No account needed.

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.

CWC Cabot Steel Limited Edition Watch
CWC

Cabot Steel Limited Edition Watch

Ref. cabot-steel
40mm·Manual
$1,583MSRP
—Used
Yema Navygraf Heritage
Yemamicro

Navygraf Heritage

9 watches · 12 variantsNavygraf
39mm·Automatic·100m WR
$990MSRP
—Used
Farer Lethbridge Gold
Farer
Cushion Case

Lethbridge Gold

2 watches · 4 variantsCUSHION CASE
38.5mm
$1,085MSRP
—Used
Zelos Helica
Zelosmicro

Helica

39/42mm
2 watches · 15 variantsHelica
39/42mm·Automatic·100m WR
$499MSRP
—Used
Ferro AGL 2 Automatic
Ferromicro

AGL 2 Automatic

2 watches · 11 variantsAGL 2
42mm·Automatic
$695MSRP
—Used
Aevig THOR manualwind dresswatch
Aevig

THOR manualwind dresswatch

Ref. thor
40mm·Manual·100m WR
$539MSRP
—Used
Henry Archer Tidslinje
Henry Archermicro

Tidslinje

2 variantsTidslinje
40mm·Automatic·200m WR
$5,699MSRP
—Used
Tornek-Rayville CISO M38 MAC V SOG
Tornek-Rayville

CISO M38 MAC V SOG

Ref. ciso-m38-mac-v-sog
38mm·Automatic·100m WR
$745MSRP
—Used
All alternatives to the M-1 →All alternatives to the DressKX →
Explore the full catalog
Adjacent matchups

People also compared

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

CWC Cabot Steel Limited Edition WatchvsSeiko DressKXFarer Lethbridge GoldvsSeiko DressKXFarer CUSHION CASEvsSeiko DressKXSeiko DressKXvsAevig THOR manualwind dresswatchAera Instruments M-1vsYema Navygraf HeritageAera Instruments M-1vsZelos Helica
Edit this comparisonAdd another watchExplore more 38–41mm watches