Hemel HD24 AutomaticvsYema Superman Steel CMM.10
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

HD24 Automatic

Superman Steel CMM.10
Diameter
40mm
39mm
Lug-to-Lug
48mm
n/a
Thickness
13mm
11.3mm
lowest
Water Resistance
200m
300m
highest
MSRP
$300
lowest
$1,890
Movement
Seiko NH38
Yema CMM.10
Case
5 specsDiameter
40mm
39mm
Thickness
13mm
11.3mm
Lug-to-Lug
48mm
n/a
Lug Width
20mm
19mm
Water Resistance
200m
300m
Crystal & Dial
1 specsDial Color
Gallant USAF Edition
Steel
Movement
1 specsCaliber
Seiko NH38
Yema CMM.10
Pricing
1 specsMSRP
$300
$1,890
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