Side by side
Seiko Prospex SPEEDTIMERvsBoldr 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
12 of 29 specs differDiameter
Prospex SPEEDTIMER39mm
The T Rex By Boldr X Nitecore40mm
Power Reserve
Prospex SPEEDTIMER40h
The T Rex By Boldr X Nitecore40h
Water Resistance
Prospex SPEEDTIMER100m
The T Rex By Boldr X Nitecore200m
MSRP
Prospex SPEEDTIMER$725
The T Rex By Boldr X Nitecore$499
Full specifications
Case
5 specsCategory
Chronograph
Diver
Diameter
39mm
40mm
Thickness
13.3mm
12.3mm
Lug-to-Lug
45.5mm
46mm
Water Resistance
100m
200m
Crystal & Dial
4 specsCrystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Yes
Dial Color
Black
T-Rex by BOLDR x Nitecore
Lume
LumiBrite on hands and index(es)
Super-LumiNova
Movement
2 specsCaliber
V192
Seiko NH35A
Type
Quartz
Automatic
Pricing
1 specsMSRP
$725
$499
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