Side by side
Hemel HFC Mechanical ChronographvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
HFC Mechanical Chronograph40mm
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition42.5mm
Power Reserve
HFC Mechanical Chronograph40h
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition45h
Water Resistance
HFC Mechanical Chronograph100m
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition100m
MSRP
HFC Mechanical Chronograph$550
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition$3,000
Full specifications
Case
4 specsDiameter
40mm
42.5mm
Thickness
13.4mm
15.1mm
Lug-to-Lug
47mm
50mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Airfoil (1970s British Pilot)
Black
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Seagull ST19
8R46
Type
Manual
Automatic
Power Reserve
40h
45h
Jewels
25
34
Pricing
1 specsMSRP
$550
$3,000
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