Side by side

Sinn 910 SRSvsFortis Marinemaster M-40

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

910 SRS
Sinn910 SRS
MSRP $4,158
Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520

At a glance

15 of 29 specs differ
Diameter
910 SRS41.5mm
Marinemaster M-4040mm
Power Reserve
910 SRS48h
Marinemaster M-4038h
Water Resistance
910 SRS100m
Marinemaster M-40300m
MSRP
910 SRS$4,158
Marinemaster M-40$3,520

Full specifications

Case

7 specs
Category
Tool
Diver
Diameter
41.5mm
40mm
Thickness
15.1mm
13mm
Lug Width
22mm
21mm
Finish
polished/satinised
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Orange

Movement

4 specs
Caliber
Valjoux 7750 Flyback
Sellita SW220-1
Power Reserve
48h
38h
Jewels
27
26
Complications
Chronograph
None

Pricing

1 specs
MSRP
$4,158
$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 910 SRS

The Sinn 910 SRS is praised for its handsome, balanced dial design, featuring a cream dial with red accents and a three-register display. Reviewers highlight its flyback column-wheel chronograph complication as fitting for Sinn's innovative tool watch ethos, powered by a modified ETA 7750 movement. The watch's build is noted for being anti-magnetic, shock-resistant, and water-resistant. On balance, reviewers rate the Sinn 910 SRS highly for its classic yet distinct design and its pragmatic, well-executed chronograph 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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