Side by side
Hemel HD24 AutomaticvsLongines MASTER COLLECTION
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
21 of 29 specs differDiameter
HD24 Automatic40mm
MASTER COLLECTION42mm
Power Reserve
HD24 Automatic40h
MASTER COLLECTION—
Water Resistance
HD24 Automatic200m
MASTER COLLECTION30m
MSRP
HD24 Automatic$300
MASTER COLLECTION$3,100
Full specifications
Case
9 specsCategory
Diver
—
Diameter
40mm
42mm
Thickness
13mm
9.64mm
Lug-to-Lug
48mm
49.6mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
—
Water Resistance
200m
30m
Caseback
Solid
—
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Gallant USAF Edition
Silver
Indices
Applied
—
Movement
6 specsCaliber
Seiko NH38A
L888.5
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Pricing
1 specsMSRP
$300
$3,100
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