Side by side

Lum-Tec B64 ChronographvsPraesidus A-5 UDT

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

B64 Chronograph
Lum-TecB64 Chronograph
MSRP $545
A-5 UDT
PraesidusA-5 UDT
MSRP $645

At a glance

9 of 29 specs differ
Diameter
B64 Chronograph44mm
A-5 UDT38mm
Power Reserve
B64 Chronograph40h
A-5 UDT40h
Water Resistance
B64 Chronograph100m
A-5 UDT200m
MSRP
B64 Chronograph$545
A-5 UDT$645

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
44mm
38mm
Lug-to-Lug
51.5mm
—
Lug Width
22mm
20mm
Material
Titanium (DLC coated)
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
Standard
Blue

Movement

1 specs
Caliber
—
Miyota 9015

Pricing

1 specs
MSRP
$545
$645

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