Side by side
Hemel HD24 AutomaticvsSheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
HD24 Automatic40mm
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date40mm
Power Reserve
HD24 Automatic40h
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date—
Water Resistance
HD24 Automatic200m
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date200m
MSRP
HD24 Automatic$300
1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no date$238
Full specifications
Case
3 specsThickness
13mm
12.8mm
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Gallant USAF Edition
White/Blue
Lume
None
Swiss blue lume
Movement
2 specsCaliber
Seiko NH38A
Seiko NH35A
Power Reserve
40h
—
Pricing
1 specsMSRP
$300
$238
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