Side by side
Jack Mason Halyard Sport ChronographvsSeiko Essentials Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
Halyard Sport Chronograph42mm
Essentials Chronograph41.5mm
Power Reserve
Halyard Sport Chronograph40h
Essentials Chronograph40h
Water Resistance
Halyard Sport Chronograph100m
Essentials Chronograph100m
MSRP
Halyard Sport Chronograph$329
Essentials Chronograph$265
Full specifications
Case
5 specsCategory
—
Chronograph
Diameter
42mm
41.5mm
Thickness
12mm
12.1mm
Lug-to-Lug
46mm
46.5mm
Lug Width
20mm
22mm
Crystal & Dial
1 specsCrystal
Sapphire
Hardlex
Movement
1 specsCaliber
Miyota OS20
8T63
Pricing
1 specsMSRP
$329
$265
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