Side by side

Sinn 358 DIAPALvsFortis Marinemaster M-40

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

358 DIAPAL
Sinn358 DIAPAL
MSRP $4,255
Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520

At a glance

16 of 29 specs differ
Diameter
358 DIAPAL42mm
Marinemaster M-4040mm
Power Reserve
358 DIAPAL48h
Marinemaster M-4038h
Water Resistance
358 DIAPAL100m
Marinemaster M-40300m
MSRP
358 DIAPAL$4,255
Marinemaster M-40$3,520

Full specifications

Case

7 specs
Category
Tool
Diver
Diameter
42mm
40mm
Thickness
15mm
13mm
Lug Width
22mm
21mm
Finish
satinized
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
LJP L100
Sellita SW220-1
Power Reserve
48h
38h
Complications
GMT, Date, Chronograph
None

Pricing

1 specs
MSRP
$4,255
$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 358 DIAPAL

The Sinn 358 DIAPAL is widely praised as a handsome, unfussy tool watch with excellent legibility and solid construction, featuring a reliable and exact second timezone complication. Owners and reviewers highlight its DIAPAL oil-free escapement and Ar-Dehumidifying technology for contributing to its accuracy, and note the 42mm brushed stainless steel case is well-sized. One reviewer flags the skeletonized GMT hand as sometimes lacking legibility. Overall, owners and reviewers rate the Sinn 358 DIAPAL highly for its robust build and practical travel watch functionality.

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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