Side by side

Tudor Black Bay One 31vsZero West L4 Longitude

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Black Bay One 31
TudorBlack Bay One 31
MSRP $4,600
See the full Black Bay One 31
L4 Longitude
Zero WestL4 Longitude
MSRP $2,995
See the full L4 Longitude
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Buy used on eBay ↗
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At a glance

11 of 29 specs differ
Diameter
Black Bay One 3131mm
L4 Longitude42mm
Power Reserve
Black Bay One 3150h
L4 Longitude62h
Water Resistance
Black Bay One 31100m
L4 Longitude100m
MSRP
Black Bay One 31$4,600
L4 Longitude$2,995

Full specifications

Case

7 specs
Category
Diver
—
Diameter
31mm
42mm
Thickness
9.5mm
13.7mm
Lug-to-Lug
0mm
47mm
Lug Width
17mm
22mm
Finish
Polished + Satin
—
Caseback
Solid screw-down
—

Crystal & Dial

1 specs
Dial Color
Anthracite
—

Movement

2 specs
Caliber
MT5201
Sellita SW500
Power Reserve
50h
62h

Pricing

1 specs
MSRP
$4,600
$2,995
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