Side by side

Aera Instruments M-1vsFormex Reef GMT

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

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M-1
Aera InstrumentsM-1
Reef GMT
FormexReef GMT
MSRP $2,235
Buy from Aera Instruments ↗
Buy used on eBay ↗
Buy from Formex ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
M-139mm
Reef GMT42mm
Power Reserve
M-142h
Reef GMT56h
Water Resistance
M-1100m
Reef GMT300m
MSRP
M-1—
Reef GMT$2,235

Full specifications

Case

6 specs
Category
—
GMT
Diameter
39mm
42mm
Thickness
13.14mm
11.4mm
Lug-to-Lug
47.6mm
47mm
Lug Width
20mm
22mm
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Dune
Black

Movement

3 specs
Caliber
Sellita SW216-1
Sellita SW330-2
Type
Manual
Automatic
Power Reserve
42h
56h

Pricing

1 specs
MSRP
—
$2,235
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CWC Cabot Steel Limited Edition WatchvsFormex Reef GMTCWC (Cabot Watch Company) Fifty Limited Edition Anniversary WatchvsFormex Reef GMTFormex Reef GMTvsVPC Watch TYPE 37HWFarer Lethbridge GoldvsFormex Reef GMTAera Instruments M-1vsPhoibos Great WallAera Instruments M-1vsFormex Reef 42 mm
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