Side by side
Hemel HD24 AutomaticvsRolex Sea-Dweller
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
HD24 Automatic40mm
Sea-Dweller43mm
Power Reserve
HD24 Automatic—
Sea-Dweller70h
Water Resistance
HD24 Automatic200m
Sea-Dweller1,220m
MSRP
HD24 Automatic$300
Sea-Dweller$22,450
Full specifications
Case
7 specsDiameter
40mm
43mm
Thickness
13mm
—
Lug-to-Lug
48mm
—
Lug Width
20mm
—
Material
316L Stainless Steel
Yellow Rolesor
Water Resistance
200m
1220m
Caseback
—
Monobloc middle case, screw-down case back and winding crown
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
—
Flat
Dial Color
Gallant USAF Edition
Black
Indices
—
Index
Lume
None
Chromalight
Movement
7 specsCaliber
Seiko NH38
3235
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
70h
Jewels
0
31
Hacking
No
Yes
Hand-winding
No
Yes
Complications
None
Date
Pricing
1 specsMSRP
$300
$22,450
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