Side by side
Hemel HD24 AutomaticvsSeiko Prospex Sea PADI Special Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
HD24 Automatic40mm
Prospex Sea PADI Special Edition43.8mm
Power Reserve
HD24 Automatic40h
Prospex Sea PADI Special Edition41h
Water Resistance
HD24 Automatic200m
Prospex Sea PADI Special Edition200m
MSRP
HD24 Automatic$300
Prospex Sea PADI Special Edition$625
Full specifications
Case
5 specsDiameter
40mm
43.8mm
Thickness
13mm
12.8mm
Lug-to-Lug
48mm
48.7mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
4 specsCrystal
Domed Sapphire
Sapphire
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Gallant USAF Edition
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH38A
4R35
Power Reserve
40h
41h
Jewels
25
23
Pricing
1 specsMSRP
$300
$625
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