Side by side

Aera Instruments M-1vsSugess Seestern S446 GMT

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

M-1
Aera InstrumentsM-1
Seestern S446 GMT
SugessSeestern S446 GMT
MSRP $269

At a glance

13 of 29 specs differ
Diameter
M-139mm
Seestern S446 GMT40mm
Power Reserve
M-142h
Seestern S446 GMT41h
Water Resistance
M-1100m
Seestern S446 GMT100m
MSRP
M-1—
Seestern S446 GMT$269

Full specifications

Case

5 specs
Category
—
GMT
Diameter
39mm
40mm
Thickness
13.14mm
10mm
Lug-to-Lug
47.6mm
47mm
Lug Width
20mm
19mm

Crystal & Dial

2 specs
Dial Color
Dune
Black
Lume
Super-LumiNova
Tritium

Movement

5 specs
Caliber
Sellita SW216-1
Seiko NH34
Type
Manual
Automatic
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
41h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
—
$269

Follow this matchup

Get a note when Aera Instruments M-1 vs Sugess Seestern S446 GMT 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
Spinnaker Croft 39 GMT
Spinnakermicro

Croft 39 GMT

5 watches · 28 variantsCroft
39mm·Automatic·100m WR
$445MSRP
—Used
Farer CUSHION CASE
Farer

CUSHION CASE

2 watches · 4 variantsCUSHION CASE
38.5mm
$1,045MSRP
—Used
Spinnaker Fleuss GMT
Spinnakermicro

Fleuss GMT

9 watches · 43 variantsFleuss
43mm·Automatic·150m WR
$299MSRP
—Used
Aevig THOR manualwind dresswatch
Aevig

THOR manualwind dresswatch

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

Verden GMT

11 variantsVerden GMT
39mm·Automatic·200m WR
$5,199MSRP
—Used
Tornek-Rayville CISO M38 Field
Tornek-Rayville

CISO M38 Field

Ref. soa
38mm·Automatic·100m WR
$695MSRP
—Used
Lorier Hyperion SII
Loriermicro

Hyperion SII

2 watches · 2 variantsHyperion
39mm·Automatic·200m WR
$699MSRP
—Used
All alternatives to the M-1 →All alternatives to the Seestern S446 GMT →
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 WatchvsSugess Seestern S446 GMTFarer CUSHION CASEvsSugess Seestern S446 GMTFarer Lethbridge GoldvsSugess Seestern S446 GMTSugess Seestern S446 GMTvsAevig THOR manualwind dresswatchAera Instruments M-1vsSpinnaker Croft 39 GMTAera Instruments M-1vsSpinnaker Fleuss GMT
Edit this comparisonAdd another watchExplore more 38–41mm watches