Side by side

Fortis Marinemaster M-40vsGrand Seiko SBGZ011

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
SBGZ011
Grand SeikoSBGZ011
MSRP $84,000

At a glance

13 of 29 specs differ
Diameter
Marinemaster M-4040mm
SBGZ01140mm
Power Reserve
Marinemaster M-4038h
SBGZ01184h
Water Resistance
Marinemaster M-40300m
SBGZ01130m
MSRP
Marinemaster M-40$3,520
SBGZ011$84,000

Full specifications

Case

6 specs
Category
Diver
Dress
Thickness
13mm
9.6mm
Lug-to-Lug
45.2mm
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
$84,000

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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 SBGZ011

Grand Seiko SBGZ011 owners widely praise its in-person beauty and the finest Zaratsu polishing, noting that photos do not capture its artistry. Some owners find the framed logo and lettering detract from the dial's balance, and a few describe the watch as too flashy or "bling" for their taste, with one owner feeling its design deviates from Grand Seiko's ethos. The strap is also widely disliked. Overall, owners rate the Grand Seiko SBGZ011 highly for its stunning Zaratsu polishing and unique, beautiful in-person presence, despite some finding it overly flashy.

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