Side by side

Aera Instruments M-1vsSartory Billard SB05

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

M-1
Aera InstrumentsM-1
SB05
Sartory BillardSB05

At a glance

9 of 29 specs differ
Diameter
M-139mm
SB0538.5mm
Power Reserve
M-142h
SB0590h
Water Resistance
M-1100m
SB0550m
MSRP
M-1—
SB05—

Full specifications

Case

5 specs
Category
—
Dress
Diameter
39mm
38.5mm
Thickness
13.14mm
8.5mm
Lug-to-Lug
47.6mm
45.5mm
Water Resistance
100m
50m

Crystal & Dial

2 specs
Dial Color
Dune
Sapphire
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW216-1
LJP Cal. 7380
Power Reserve
42h
90h

Follow this matchup

Get a note when Aera Instruments M-1 vs Sartory Billard SB05 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 Granvelle CMM.29
Yemamicro

Granvelle CMM.29

3 variantsGranvelle
39mm·Automatic
$1,913MSRP
—Used
Farer CUSHION CASE
Farer

CUSHION CASE

2 watches · 4 variantsCUSHION CASE
38.5mm
$1,045MSRP
—Used
Zelos Comet 39
Zelosmicro

Comet 39

5 variantsComet 39
39mm·Manual
$2,499MSRP
—Used
Fears Jubilee Edition
Fearsmicro
Brunswick

Jubilee Edition

9 watches · 45 variantsBrunswick
38mm·Manual
$2,875MSRP
—Used
Aevig THOR manualwind dresswatch
Aevig

THOR manualwind dresswatch

Ref. thor
40mm·Manual·100m WR
$539MSRP
—Used
Tornek-Rayville CISO M38 Field
Tornek-Rayville

CISO M38 Field

Ref. soa
38mm·Automatic·100m WR
$695MSRP
—Used
Vario Empire Art Nouveau Handwound
Variomicro

Empire Art Nouveau Handwound

2 watches · 10 variantsEmpire
38mm·Manual
$888MSRP
—Used
All alternatives to the M-1 →All alternatives to the SB05 →
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 WatchvsSartory Billard SB05Farer CUSHION CASEvsSartory Billard SB05Farer Lethbridge GoldvsSartory Billard SB05Sartory Billard SB05vsAevig THOR manualwind dresswatchAera Instruments M-1vsYema Granvelle CMM.29Aera Instruments M-1vsZelos Comet 39
Edit this comparisonAdd another watchExplore more 37–40mm watches