Side by side

Fortis Marinemaster M-40vsHamilton Jazzmaster Performer Autochrono

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
Jazzmaster Performer Autochrono
HamiltonJazzmaster Performer Autochrono
MSRP $2,645

At a glance

11 of 29 specs differ
Diameter
Marinemaster M-4040mm
Jazzmaster Performer Autochrono42mm
Power Reserve
Marinemaster M-4038h
Jazzmaster Performer Autochrono60h
Water Resistance
Marinemaster M-40300m
Jazzmaster Performer Autochrono100m
MSRP
Marinemaster M-40$3,520
Jazzmaster Performer Autochrono$2,645

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
40mm
42mm
Thickness
13mm
15.22mm
Lug-to-Lug
46mm
Lug Width
21mm
22mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Orange
Blue

Movement

3 specs
Caliber
Sellita SW220-1
H-31
Power Reserve
38h
60h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$2,645

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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.

Hamilton Jazzmaster Performer Autochrono

Owners widely praise the Hamilton Jazzmaster Performer Autochrono for its versatile design, clean no-date dial, and comfortable wearability. Reviewers note the 42mm model features dauphine hands and a tachymeter bezel, powered by the H-31 automatic chronograph movement with a 60-hour power reserve. Some owners report an 80-hour power reserve and find the watch a beautiful choice for daily wear, while others express concerns about the price point and the durability of the black bezel. Accuracy averages just over 2 seconds per day, though one owner experienced an internal issue requiring service. On balance, owners and reviewers appreciate the Hamilton Jazzmaster Performer Autochrono for its attractive styling and daily wearability, despite some reservations regarding its price and bezel durability.

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