Side by side

Fortis Marinemaster M-40vsGrand Seiko SBGC253

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
SBGC253
Grand SeikoSBGC253
MSRP $13,200

At a glance

14 of 29 specs differ
Diameter
Marinemaster M-4040mm
SBGC25344.5mm
Power Reserve
Marinemaster M-4038h
SBGC25372h
Water Resistance
Marinemaster M-40300m
SBGC253200m
MSRP
Marinemaster M-40$3,520
SBGC253$13,200

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
44.5mm
Thickness
13mm
16.8mm
Lug-to-Lug
50mm
Lug Width
21mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Orange
Black

Movement

4 specs
Caliber
Sellita SW220-1
9R86
Type
Automatic
Spring Drive
Power Reserve
38h
72h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$13,200

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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 SBGC253

The Grand Seiko SBGC253 is praised for its substantial yet surprisingly light feel due to high-intensity titanium, a captivating dial with polished accents, and an exceptionally smooth chronograph action. Its dual-color lume is noted as visually striking, though its distinction fades in low light, and the exceptional anti-reflective coating makes the sapphire crystal nearly disappear. Some find the pushers unappealing and the dial's asymmetry with an off-center logo unconvincing, though others praise its gorgeous case shape and consider it a beautiful showcase of Grand Seiko's capabilities. One owner swapped to a leather strap for enhanced comfort and aesthetics. Overall, owners rate the Grand Seiko SBGC253 highly for its unique case material and smooth chronograph execution, despite some polarizing design elements.

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