Side by side
Praesidus A-5 UDTvsBoldr The T Rex By Boldr X Nitecore
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
A-5 UDT38mm
The T Rex By Boldr X Nitecore40mm
Power Reserve
A-5 UDT40h
The T Rex By Boldr X Nitecore40h
Water Resistance
A-5 UDT200m
The T Rex By Boldr X Nitecore200m
MSRP
A-5 UDT$645
The T Rex By Boldr X Nitecore$499
Full specifications
Case
4 specsDiameter
38mm
40mm
Thickness
—
12.3mm
Lug-to-Lug
—
46mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
4 specsCrystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Blue
T-Rex by BOLDR x Nitecore
Lume
None
Super-LumiNova
Movement
1 specsCaliber
Miyota 9015
Seiko NH35A
Pricing
1 specsMSRP
$645
$499
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