Side by side

Fortis Marinemaster M-40vsGrand Seiko SBGA293

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
SBGA293
Grand SeikoSBGA293
MSRP $5,200

At a glance

13 of 29 specs differ
Diameter
Marinemaster M-4040mm
SBGA29340.2mm
Power Reserve
Marinemaster M-4038h
SBGA29372h
Water Resistance
Marinemaster M-40300m
SBGA293100m
MSRP
Marinemaster M-40$3,520
SBGA293$5,200

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
40.2mm
Thickness
13mm
12.8mm
Lug-to-Lug
48.5mm
Lug Width
21mm
19mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Orange
Black

Movement

4 specs
Caliber
Sellita SW220-1
9R65
Type
Automatic
Spring Drive
Power Reserve
38h
72h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$5,200

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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.

Grand Seiko SBGA293

Grand Seiko SBGA293 owners praise its light cream dial and exceptionally well-finished markers and hands. The Spring Drive movement is highlighted as a special feature, offering high accuracy and a blend of jewelry and technology, though the rotor can be audible. Some owners find the case size a concern for formal wear, while others consider it not particularly thick and appreciate the Spring Drive's unique horology, accuracy, and reliability. On balance, owners rate the Grand Seiko SBGA293 highly for its unique Spring Drive movement and refined dial and hand finishing.

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