Which 38mm Hamilton?

Khaki Field Auto
H70455533
$675
38mm case
10.8mm thick
47mm lug to lug
20mm lug width
100m water resistance
Cal. H-10 w/ 80 hours power reserve
• Hamilton Khaki Field A...
Khaki Aviation Pilot Pioneer
H76205530
$995
37.9mm case
11.8mm thick
46.1mm lug to lug
18mm lug width
100m water resistance
Cal. H-10 w/ 80 hours power reserve
• Hamilton Khaki Aviatio...
Khaki Field "Murph"
H70405730
$895
38mm case
11.2mm thick
44.4mm lug to lug
20mm lug width
100m water resistance
Cal. H-10 w/ 80 hours power reserve
• Which Size Hamilton Kh...