Side by side
Hemel HFC Mechanical ChronographvsSeiko King Seiko KSK
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
HFC Mechanical Chronograph40mm
King Seiko KSK36.1mm
Power Reserve
HFC Mechanical Chronograph40h
King Seiko KSK72h
Water Resistance
HFC Mechanical Chronograph100m
King Seiko KSK100m
MSRP
HFC Mechanical Chronograph$550
King Seiko KSK$1,900
Full specifications
Case
6 specsCategory
Chronograph
Dress
Diameter
40mm
36.1mm
Thickness
13.4mm
11.6mm
Lug-to-Lug
47mm
43mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Box
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
6R51
Type
Manual
Automatic
Power Reserve
40h
72h
Jewels
25
24
Pricing
1 specsMSRP
$550
$1,900
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