Side by side
Hemel HD24 AutomaticvsTissot Gentleman Open Heart
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
HD24 Automatic40mm
Gentleman Open Heart40mm
Power Reserve
HD24 Automatic40h
Gentleman Open Heart80h
Water Resistance
HD24 Automatic200m
Gentleman Open Heart100m
MSRP
HD24 Automatic$300
Gentleman Open Heart$1,025
Full specifications
Case
6 specsCategory
Diver
Chronograph
Thickness
13mm
11.5mm
Lug-to-Lug
48mm
40mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
6 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Gallant USAF Edition
Silver
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®
Movement
2 specsCaliber
Seiko NH38A
—
Power Reserve
40h
80h
Pricing
1 specsMSRP
$300
$1,025
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