Side by side

Aera Instruments M-1vsUgly Watch Co 100m GMT Sport Diver

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

100m GMT Sport Diver
Ugly Watch Co100m GMT Sport Diver

At a glance

8 of 29 specs differ
Diameter
M-139mm
100m GMT Sport Diver42mm
Power Reserve
M-142h
100m GMT Sport Diver41h
Water Resistance
M-1100m
100m GMT Sport Diver100m
MSRP
M-1
100m GMT Sport Diver

Full specifications

Case

3 specs
Diameter
39mm
42mm
Thickness
13.14mm
12.6mm
Lug-to-Lug
47.6mm

Crystal & Dial

2 specs
Dial Color
Dune
Red
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW216-1
Seiko NH34A
Type
Manual
Automatic
Power Reserve
42h
41h
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