Side by side

Fortis Marinemaster M-40vsSugess Seakors Tourbillon SE8007

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
Seakors Tourbillon SE8007
SugessSeakors Tourbillon SE8007
MSRP $1,199

At a glance

15 of 29 specs differ
Diameter
Marinemaster M-4040mm
Seakors Tourbillon SE800741mm
Power Reserve
Marinemaster M-4038h
Seakors Tourbillon SE800740h
Water Resistance
Marinemaster M-40300m
Seakors Tourbillon SE800750m
MSRP
Marinemaster M-40$3,520
Seakors Tourbillon SE8007$1,199

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
40mm
41mm
Thickness
13mm
11mm
Lug-to-Lug
46mm
Lug Width
21mm
11mm
Material
Stainless Steel
Stainless Steel/Rose Gold
Water Resistance
300m
50m
Caseback
Solid
Display

Crystal & Dial

1 specs
Dial Color
Orange
Black

Movement

5 specs
Caliber
Sellita SW220-1
ST8007
Beat Rate
28,800 vph
3 vph
Power Reserve
38h
40h
Jewels
26
25
Complications
None
GMT, Moonphase, Day-date, Power reserve indicator, Date

Pricing

1 specs
MSRP
$3,520
$1,199

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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.

Sugess Seakors Tourbillon SE8007

Owners widely praise the Sugess Seakors Tourbillon for its attractive dial and case finishing, along with the value offered by its functional flying tourbillon. One owner reports the Seagull ST8007 movement is reliable, running at -2s/day or +5s/day. However, the 24-hour complication is considered questionable, and some dust and oil are visible under magnification. With 5ATM water resistance and no lume, it is not suited for demanding activities. On balance, owners rate the Sugess Seakors Tourbillon highly for its impressive tourbillon complication and design at its price point.

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