Side by side

Fortis Marinemaster M-40vsGrand Seiko SBGP015

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
SBGP015
Grand SeikoSBGP015
MSRP $3,800

At a glance

11 of 29 specs differ
Diameter
Marinemaster M-4040mm
SBGP01540mm
Power Reserve
Marinemaster M-4038h
SBGP01540h
Water Resistance
Marinemaster M-40300m
SBGP015200m
MSRP
Marinemaster M-40$3,520
SBGP015$3,800

Full specifications

Case

4 specs
Thickness
13mm
12.4mm
Lug-to-Lug
47.1mm
Lug Width
21mm
20mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Orange
Black

Movement

4 specs
Caliber
Sellita SW220-1
9F85
Type
Automatic
Quartz
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$3,800

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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 SBGP015

Owners widely praise the Grand Seiko SBGP015 for its stupendous, substantial, and classy versatility, with reviewers noting the dial print is exceptionally sharp, casting shadows under light. The Grand Seiko 9F85 quartz movement is lauded for its excellent timekeeping, with one owner purchasing it as a grab-and-go option. The watch is listed for £1900. Overall, owners rate the Grand Seiko SBGP015 highly for its sharp dial print and the accuracy of its 9F85 quartz movement.

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