Side by side

Sinn 144 St DIAPALvsFortis Marinemaster M-40

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

144 St DIAPAL
Sinn144 St DIAPAL
MSRP $4,428
Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520

At a glance

17 of 29 specs differ
Diameter
144 St DIAPAL41mm
Marinemaster M-4040mm
Power Reserve
144 St DIAPAL48h
Marinemaster M-4038h
Water Resistance
144 St DIAPAL200m
Marinemaster M-40300m
MSRP
144 St DIAPAL$4,428
Marinemaster M-40$3,520

Full specifications

Case

7 specs
Category
Tool
Diver
Diameter
41mm
40mm
Thickness
14.2mm
13mm
Lug Width
20mm
21mm
Finish
bead-blasted
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Anthracite
Orange
Indices
Applied
Lume
Luminescent
None

Movement

4 specs
Caliber
LJP 8000
Sellita SW220-1
Power Reserve
48h
38h
Jewels
28
26
Complications
GMT, Date, Chronograph, Tachymeter
None

Pricing

1 specs
MSRP
$4,428
$3,520

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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.

Sinn 144 St DIAPAL

The Sinn 144 St DIAPAL is widely praised for its flawless bead-blasting, comfortable 41mm wearability, and legible presentation of information, including a pulsemeter and tachymeter scales. Owners appreciate its quality and confidence-inspiring feel, with one noting excellent timekeeping at 5 seconds slow over 4 days. However, the reset pusher is stiff, and strap options are limited by the integrated case. Some find the 12-hour UTC hand less intuitive, and one owner considers it too sporty for a sole daily watch. On balance, owners rate the Sinn 144 St DIAPAL highly for its robust build and functional, legible dial at its price point.

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.

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