Side by side
Praesidus 42mm AutomaticvsTudor Black Bay 68
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
19 of 29 specs differDiameter
42mm Automatic38mm
Black Bay 6843mm
Power Reserve
42mm Automatic40h
Black Bay 6870h
Water Resistance
42mm Automatic100m
Black Bay 68200m
MSRP
42mm Automatic$680
Black Bay 68$5,475
Full specifications
Case
9 specsCategory
Field
Diver
Diameter
38mm
43mm
Thickness
11mm
13.6mm
Lug-to-Lug
45mm
46mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
100m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
3 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
42mm Automatic
Blue
Movement
6 specsCaliber
Seiko NH35
MT5601-U
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Pricing
1 specsMSRP
$680
$5,475
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