Side by side
Aera Instruments M-1vsSugess Chrono Master S438
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
M-139mm
Chrono Master S43840mm
Power Reserve
M-142h
Chrono Master S43835h
Water Resistance
M-1100m
Chrono Master S4385m
MSRP
M-1—
Chrono Master S438$549
Full specifications
Case
7 specsCategory
—
Chronograph
Diameter
39mm
40mm
Thickness
13.14mm
12mm
Lug-to-Lug
47.6mm
46mm
Lug Width
20mm
22mm
Water Resistance
100m
5m
Caseback
Solid
Display
Crystal & Dial
2 specsDial Color
Dune
S438 White
Lume
Super-LumiNova
None
Movement
4 specsCaliber
Sellita SW216-1
ST19
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
35h
Complications
None
GMT, Chronograph, Moonphase, Power reserve indicator
Pricing
1 specsMSRP
—
$549
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