Side by side
Boldr BlastoisevsFortis Stratoliner S-41
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Blastoise40mm
Stratoliner S-4141mm
Power Reserve
Blastoise40h
Stratoliner S-4160h
Water Resistance
Blastoise200m
Stratoliner S-41200m
MSRP
Blastoise$449
Stratoliner S-41$5,450
Full specifications
Case
5 specsCategory
Diver
Chronograph
Diameter
40mm
41mm
Thickness
12mm
14mm
Lug-to-Lug
49.5mm
—
Lug Width
20mm
21mm
Crystal & Dial
2 specsDial Color
Blastoise
White
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Seiko (SII) NH37
Manufacture Caliber WERK 17
Power Reserve
40h
60h
Jewels
25
36
Pricing
1 specsMSRP
$449
$5,450
Follow this matchup
Get a note when Boldr Blastoise vs Fortis Stratoliner S-41 gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.









