Side by side

Aera Instruments M-1vsGrand Seiko SLGW007

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

M-1
Aera InstrumentsM-1
SLGW007
Grand SeikoSLGW007
MSRP $10,000

At a glance

11 of 29 specs differ
Diameter
M-139mm
SLGW00738.6mm
Power Reserve
M-142h
SLGW00780h
Water Resistance
M-1100m
SLGW00730m
MSRP
M-1—
SLGW007$10,000

Full specifications

Case

5 specs
Category
—
Dress
Diameter
39mm
38.6mm
Thickness
13.14mm
9.95mm
Lug-to-Lug
47.6mm
45mm
Water Resistance
100m
30m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Dune
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW216-1
9SA4
Power Reserve
42h
80h

Pricing

1 specs
MSRP
—
$10,000

Follow this matchup

Get a note when Aera Instruments M-1 vs Grand Seiko SLGW007 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
Vario Empire Art Nouveau Handwound
Variomicro

Empire Art Nouveau Handwound

2 watches · 10 variantsEmpire
38mm·Manual
$888MSRP
—Used
Farer Lethbridge Gold
Farer
Cushion Case

Lethbridge Gold

2 watches · 4 variantsCUSHION CASE
38.5mm
$1,085MSRP
—Used
Lorier Roosevelt
Loriermicro

Roosevelt

Ref. roosevelt
38mm·Manual
$799MSRP
—Used
Astor + Banks AB Clásico
Astor + Banksmicro

AB Clásico

Ref. ab-clasico
40mm·Manual
$1,500MSRP
—Used
Aevig THOR manualwind dresswatch
Aevig

THOR manualwind dresswatch

Ref. thor
40mm·Manual·100m WR
$539MSRP
—Used
Atelier Wen Inflection
Atelier Wenmicro

Inflection

3 variantsInflection
38.5mm·Automatic
$29,800MSRP
—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 SLGW007 →
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 WatchvsGrand Seiko SLGW007Farer Lethbridge GoldvsGrand Seiko SLGW007Farer CUSHION CASEvsGrand Seiko SLGW007Grand Seiko SLGW007vsAevig THOR manualwind dresswatchAera Instruments M-1vsVario Empire Art Nouveau HandwoundAera Instruments M-1vsLorier Roosevelt
Edit this comparisonAdd another watchExplore more 37–40mm watches