Side by side

Fortis Marinemaster M-40vsNivada Grenchen Chronomaster Valjoux

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520
Chronomaster Valjoux
Nivada GrenchenChronomaster Valjoux
MSRP $5,000

At a glance

16 of 29 specs differ
Diameter
Marinemaster M-4040mm
Chronomaster Valjoux38mm
Power Reserve
Marinemaster M-4038h
Chronomaster Valjoux48h
Water Resistance
Marinemaster M-40300m
Chronomaster Valjoux100m
MSRP
Marinemaster M-40$3,520
Chronomaster Valjoux$5,000

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
40mm
38mm
Thickness
13mm
12.95mm
Lug-to-Lug
46.5mm
Lug Width
21mm
20mm
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
100m
Caseback
Solid
316L Steel Silver Color Open Case back with Sapphire Glass

Crystal & Dial

2 specs
Dial Color
Orange
Black
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
Sellita SW220-1
Valjoux 23
Type
Automatic
Manual
Power Reserve
38h
48h
Jewels
26
25
Complications
None
GMT, Chronograph

Pricing

1 specs
MSRP
$3,520
$5,000

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

Nivada Grenchen Chronomaster Valjoux

The Nivada Grenchen Chronomaster is praised for its vintage aesthetic and versatility, with the Aventurine Blue variant offering a unique starry dial and world time bezel. Owners note the sub-dials are small and difficult to read, and the Sellita SW510 movement exhibits rotor wobble and hand play. The $5,000 price point is a significant increase from previous reissues. Overall, owners rate the Nivada Grenchen Chronomaster highly for its vintage aesthetic and unique dial options, despite some concerns about sub-dial legibility and movement characteristics.

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