Side by side

Praesidus Neptune 44vsTudor Black Bay One 31

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

Neptune 44
PraesidusNeptune 44
MSRP $550
Black Bay One 31
TudorBlack Bay One 31
MSRP $4,600

At a glance

13 of 29 specs differ
Diameter
Neptune 4444mm
Black Bay One 3131mm
Power Reserve
Neptune 4440h
Black Bay One 3150h
Water Resistance
Neptune 44200m
Black Bay One 31100m
MSRP
Neptune 44$550
Black Bay One 31$4,600

Full specifications

Case

8 specs
Diameter
44mm
31mm
Thickness
—
9.5mm
Lug-to-Lug
—
46mm
Lug Width
22mm
17mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
200m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Patina
Anthracite

Movement

2 specs
Caliber
Miyota 9039
MT5201
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$550
$4,600

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