Side by side
Hemel HFC Mechanical ChronographvsZenith Pilot Big Date Flyback
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
19 of 29 specs differDiameter
HFC Mechanical Chronograph40mm
Pilot Big Date Flyback42.5mm
Power Reserve
HFC Mechanical Chronograph40h
Pilot Big Date Flyback60h
Water Resistance
HFC Mechanical Chronograph100m
Pilot Big Date Flyback100m
MSRP
HFC Mechanical Chronograph$550
Pilot Big Date Flyback$12,800
Full specifications
Case
7 specsDiameter
40mm
42.5mm
Thickness
13.4mm
—
Lug-to-Lug
47mm
—
Lug Width
20mm
—
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Stainless steel
Caseback
Solid
—
Crystal & Dial
5 specsCrystal
Domed Sapphire
—
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Airfoil (1970s British Pilot)
Black
Indices
Applied
—
Movement
6 specsCaliber
Sea-Gull ST19
—
Type
Manual
—
Beat Rate
28,800 vph
36,000 vph
Power Reserve
40h
60h
Jewels
25
0
Complications
None
Flyback Chronograph, Big Date, Date
Pricing
1 specsMSRP
$550
$12,800
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