Side by side

Fortis Marinemaster M-40vsGrand Seiko SBGZ003

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
SBGZ003
Grand SeikoSBGZ003

At a glance

14 of 29 specs differ
Diameter
Marinemaster M-4040mm
SBGZ00338.5mm
Power Reserve
Marinemaster M-4038h
SBGZ00384h
Water Resistance
Marinemaster M-40300m
SBGZ00330m
MSRP
Marinemaster M-40$3,520
SBGZ003

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
38.5mm
Thickness
13mm
9.8mm
Lug-to-Lug
43.7mm
Lug Width
21mm
19mm
Material
Stainless Steel
Platinum
Water Resistance
300m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Orange
Black

Movement

4 specs
Caliber
Sellita SW220-1
9R02
Type
Automatic
Spring Drive
Power Reserve
38h
84h
Jewels
26
25

Pricing

1 specs
MSRP
$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.

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 SBGZ003

Grand Seiko SBGZ003 owners and reviewers widely praise its classic 38.5mm x 9.8mm dimensions and the meticulous perfection of its craft, with some calling it the sexiest Grand Seiko ever seen. The Spring Drive caliber 9R02 offers an 84-hour power reserve. Some find the dial's color off-putting, and the $57,000 price is a significant barrier for many. On balance, owners and reviewers rate the Grand Seiko SBGZ003 highly for its stunning "carved" dial and Micro Artist Studio finishing.

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