Side by side
Redux COURG: Zero-HourvsSheffield 1A 40mm
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
COURG: Zero-Hour39mm
1A 40mm40mm
Power Reserve
COURG: Zero-Hour41h
1A 40mm40h
Water Resistance
COURG: Zero-Hour200m
1A 40mm200m
MSRP
COURG: Zero-Hour$499
1A 40mm$228
Full specifications
Case
4 specsDiameter
39mm
40mm
Thickness
13.7mm
13mm
Lug-to-Lug
46mm
48mm
Material
Titanium
Stainless Steel
Crystal & Dial
1 specsDial Color
Black
—
Movement
2 specsCaliber
Seiko NH35A
Seiko NH35
Power Reserve
41h
40h
Pricing
1 specsMSRP
$499
$228
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