Side by side

Fortis Marinemaster M-40vsLongines SPIRIT

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
SPIRIT
LonginesSPIRIT
MSRP $2,550

At a glance

19 of 29 specs differ
Diameter
Marinemaster M-4040mm
SPIRIT40mm
Power Reserve
Marinemaster M-4038h
SPIRIT72h
Water Resistance
Marinemaster M-40300m
SPIRIT100m
MSRP
Marinemaster M-40$3,520
SPIRIT$2,550

Full specifications

Case

6 specs
Category
Diver
Sport
Thickness
13mm
12.2mm
Lug-to-Lug
49.7mm
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Both sides
Dial Color
Orange
Black
Indices
Applied
Applied Arabic numerals
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
Sellita SW220-1
L888.4
Beat Rate
28,800 vph
25,200 vph
Power Reserve
38h
72h
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$3,520
$2,550

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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.

Longines SPIRIT

Owners widely praise the Longines SPIRIT 37mm for its excellent value, refined finishing, and vintage-inspired design, with many highlighting its applied Arabic numerals and appealing dials. The smooth winding action and technical capabilities like the 72-hour power reserve and silicon hairspring are also noted strengths. However, some owners find the bracelet to be "tinny" and light, and the lack of tool-less micro-adjustments on the bracelet is a recurring point of dissatisfaction. The date window at 3 o'clock is polarizing, with some disliking its placement and color, and the lugs are perceived by some as long for the case size. One owner expressed concern about the serviceability of the exclusive L888.4 movement. Overall, owners and reviewers consider the Longines SPIRIT a highly competent and well-executed watch for its price, with its design and finishing being the primary draws.

From video reviewers

The watch features a COSC-certified automatic movement. Reviewers noted the excellent finishing on the case and applied numerals. The lume brightness was cited as a weakness.

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