Side by side
Fortis Marinemaster M-40vsBoldr 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
11 of 29 specs differDiameter
Marinemaster M-4040mm
The T Rex By Boldr X Nitecore40mm
Power Reserve
Marinemaster M-4038h
The T Rex By Boldr X Nitecore40h
Water Resistance
Marinemaster M-40300m
The T Rex By Boldr X Nitecore200m
MSRP
Marinemaster M-40$3,520
The T Rex By Boldr X Nitecore$499
Full specifications
Case
4 specsThickness
13mm
12.3mm
Lug-to-Lug
—
46mm
Lug Width
21mm
20mm
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Orange
T-Rex by BOLDR x Nitecore
Lume
None
Super-LumiNova
Movement
3 specsCaliber
Sellita SW220-1
Seiko NH35A
Power Reserve
38h
40h
Jewels
26
25
Pricing
1 specsMSRP
$3,520
$499
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