Side by side
Lum-Tec RPMvsTudor 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
RPM43mm
Black Bay 6843mm
Power Reserve
RPM40h
Black Bay 6870h
Water Resistance
RPM50m
Black Bay 68200m
MSRP
RPM$495
Black Bay 68$5,475
Full specifications
Case
8 specsCategory
Chronograph
Diver
Thickness
12.3mm
13.6mm
Lug-to-Lug
41mm
46mm
Lug Width
20mm
22mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
50m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
3 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
RPM 3
Blue
Movement
7 specsCaliber
—
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 specsMSRP
$495
$5,475
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