Side by side
Hemel HD24 AutomaticvsLongines SPIRIT PILOT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
22 of 29 specs differDiameter
HD24 Automatic40mm
SPIRIT PILOT39mm
Power Reserve
HD24 Automatic40h
SPIRIT PILOT72h
Water Resistance
HD24 Automatic200m
SPIRIT PILOT100m
MSRP
HD24 Automatic$300
SPIRIT PILOT$3,100
Full specifications
Case
8 specsCategory
Diver
Pilot
Diameter
40mm
39mm
Thickness
13mm
11.5mm
Lug-to-Lug
48mm
47.2mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
—
Water Resistance
200m
100m
Caseback
Solid
Screw-down case back
Crystal & Dial
6 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
—
AR Coating
Inner
Both sides
Dial Color
Gallant USAF Edition
Black
Indices
Applied
Applied Arabic numerals
Lume
None
Super-LumiNova
Movement
7 specsCaliber
Seiko NH38A
L888.4
Beat Rate
28,800 vph
25,200 vph
Power Reserve
40h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds
Pricing
1 specsMSRP
$300
$3,100
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