Side by side
Zelos Crystallised TI LEvsTudor Black Bay One 31 S&G
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Crystallised TI LE44mm
Black Bay One 31 S&G31mm
Power Reserve
Crystallised TI LE40h
Black Bay One 31 S&G50h
Water Resistance
Crystallised TI LE300m
Black Bay One 31 S&G100m
MSRP
Crystallised TI LE$899
Black Bay One 31 S&G$6,850
Full specifications
Case
9 specsCategory
Diver
—
Diameter
44mm
31mm
Thickness
13mm
9.5mm
Lug-to-Lug
44mm
46mm
Lug Width
22mm
17mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
100m
Caseback
Solid
Solid screw-down
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Crystallised Ti LE
Black
Movement
2 specsCaliber
Seiko NH35
MT5201
Power Reserve
40h
50h
Pricing
1 specsMSRP
$899
$6,850
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