Side by side
Fortis Marinemaster M-40vsBorealis Watch Co. Jamanta
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Marinemaster M-4040mm
Jamanta42.50mm
Power Reserve
Marinemaster M-4038h
Jamanta40h
Water Resistance
Marinemaster M-40300m
Jamanta300m
MSRP
Marinemaster M-40$3,520
Jamanta$415
Full specifications
Case
4 specsDiameter
40mm
42.50mm
Thickness
13mm
13.30mm
Lug-to-Lug
—
50.40mm
Lug Width
21mm
22mm
Crystal & Dial
2 specsDial Color
Orange
Black
Lume
None
BGW9
Movement
3 specsCaliber
Sellita SW220-1
Miyota 9015
Power Reserve
38h
40h
Jewels
26
25
Pricing
1 specsMSRP
$3,520
$415
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