Side by side
Lum-Tec B64 ChronographvsTudor Black Bay 58 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
21 of 29 specs differDiameter
B64 Chronograph44mm
Black Bay 58 GMT39mm
Power Reserve
B64 Chronograph40h
Black Bay 58 GMT65h
Water Resistance
B64 Chronograph100m
Black Bay 58 GMT200m
MSRP
B64 Chronograph$545
Black Bay 58 GMT$5,525
Full specifications
Case
9 specsCategory
Chronograph
GMT
Diameter
44mm
39mm
Thickness
—
12.8mm
Lug-to-Lug
51.5mm
—
Lug Width
22mm
12.8mm
Material
Titanium (DLC coated)
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
100m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
4 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Standard
Black
Movement
7 specsCaliber
—
MT5450-U
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT
Pricing
1 specsMSRP
$545
$5,525
Follow this matchup
Get a note when Lum-Tec B64 Chronograph vs Tudor Black Bay 58 GMT gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.