Side by side

Praesidus DD-45vsTudor Black Bay 68

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

DD-45
PraesidusDD-45
MSRP $299
Black Bay 68
TudorBlack Bay 68
MSRP $5,475

At a glance

21 of 29 specs differ
Diameter
DD-4540mm
Black Bay 6843mm
Power Reserve
DD-4540h
Black Bay 6870h
Water Resistance
DD-45100m
Black Bay 68200m
MSRP
DD-45$299
Black Bay 68$5,475

Full specifications

Case

9 specs
Category
Field
Diver
Diameter
40mm
43mm
Thickness
13.6mm
Lug-to-Lug
46.5mm
46mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
100m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
OG
Blue

Movement

7 specs
Caliber
Ameriquartz USA
MT5601-U
Type
Quartz
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$299
$5,475

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Praesidus DD-45

The Praesidus DD-45 is lauded for its detailed vintage-inspired design and solid finishing, with reviewers highlighting the impressive aged indices and hands on the "Patina" version and a well-finished 38mm steel case. Its 100-meter water resistance exceeds that of the original military watches, and the included leather strap is praised for its quality and vintage character, despite initial stiffness. One reviewer notes the Landeron movement exhibits jerky hand-winding. Overall, reviewers rate the Praesidus DD-45 highly for its faithful vintage aesthetic and robust build at its $900 price point.

Tudor Black Bay 68

The Tudor Black Bay 68 is praised for its METAS Master Chronometer-certified MT5601-U movement, which provides superior accuracy of -2/+4 seconds per day and a 70-hour power reserve. Reviewers highlight its comfortable 13.6mm thickness and the appeal of the Tudor blue dial with a matte black bezel insert. The watch features a brushed and polished 43mm case, a domed sapphire crystal, and a bracelet without faux rivets. On balance, reviewers find the Tudor Black Bay 68 a sensible, larger vintage-inspired diver with excellent timekeeping.

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