Side by side

Fortis Marinemaster M-40vsSpinnaker Hull Diver

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
Hull Diver
SpinnakerHull Diver
MSRP $375

At a glance

10 of 29 specs differ
Diameter
Marinemaster M-4040mm
Hull Diver42mm
Power Reserve
Marinemaster M-4038h
Hull Diver40h
Water Resistance
Marinemaster M-40300m
Hull Diver300m
MSRP
Marinemaster M-40$3,520
Hull Diver$375

Full specifications

Case

5 specs
Diameter
40mm
42mm
Thickness
13mm
15mm
Lug-to-Lug
47.5mm
Lug Width
21mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Orange
Green

Movement

3 specs
Caliber
Sellita SW220-1
SII NH35A
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$375

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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.

Spinnaker Hull Diver

The Spinnaker Hull Diver is widely praised for its excellent build quality, featuring a milled clasp, solid links, and a strong anti-reflective coating on its sapphire crystal. Owners highlight its value, with one calling it one of their best affordable watches at $170, and appreciate the dual-part case construction that contributes to a reduced thickness. The blue dial is noted for its attractive play of light, and the screw-down crown is easy to operate. However, the lume is considered average, and some desire a higher beat movement. On balance, owners rate the Spinnaker Hull Diver highly for its robust construction and strong value proposition at its price point.

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