Fortis Marinemaster M-44vsUndone AquaLume Automatic

Add a watch
Marinemaster M-44
FortisMarinemaster M-44

Ref. M-44·MSRP $5,120

See the full watch
Buy from Fortis Used on eBay
AquaLume Automatic
UndoneAquaLume Automatic

MSRP $395

See the full watch
Buy from Undone Used on eBay

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures

Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Fortis Marinemaster M-44 at true scale

Marinemaster M-44

Undone AquaLume Automatic at true scale

AquaLume Automatic

Diameter

44mm

43mm

Thickness

14mm

n/a

Water Resistance

300m

500m

highest

Power Reserve

38h

n/a

MSRP

$5,120

$395

lowest

Movement

Sellita SW220-1

Seiko NH35

Case

6 specs
Diameter
44mm
43mm
Thickness
14mm
n/a
Lug-to-Lug
n/a
n/a
Lug Width
22mm
n/a
Material
Stainless Steel
Titanium
Water Resistance
300m
500m

Crystal & Dial

2 specs
Crystal
Sapphire
n/a
Dial Color
Orange
n/a

Movement

4 specs
Caliber
Sellita SW220-1
Seiko NH35
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
n/a
Jewels
26
0

Pricing

1 specs
MSRP
$5,120
$395
Keep your wishlist and collection together in the appExplore the app
Get the appGet the app

Similar watches

Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.

Marathon Arctic OSAR 46mm Automatic
Marathonmicro
OSAR

Arctic OSAR 46mm Automatic

6 watches · 6 variants · OSAR
46mm·Automatic·300m WR
$2,500MSRP
Zelos Hammerhead V3 300m Titanium
Zelosmicro

Hammerhead V3 300m Titanium

2 watches · 16 variants · Hammerhead V3
44mm·Automatic·300m WR
$559MSRP
Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic
Marathonmicro

JDD (Jumbo Day/Date) Anthracite Diver's Automatic

 
46mm·Automatic·300m WR
$3,250MSRP
Islander Kings Point Dive with Lavender Dial
Islandermicro

Kings Point Dive with Lavender Dial

9 watches · 9 variants · Under $50
42.4mm·Automatic·200m WR
$345MSRP
Duxot Tortuga
Duxotmicro

Tortuga

5 variants · Ref. DX-2026-11
45mm·Automatic·200m WR
$280MSRP
Spinnaker Tesei Titanium
Spinnakermicro

Tesei Titanium

4 watches · 10 variants · Tesei
42mm·Automatic·200m WR
$625MSRP
TSAO Baltimore Torsk-Diver
TSAO Baltimoremicro
Bronze Torsk-Diver

Torsk-Diver

4 variants
43mm·Automatic·300m WR
$650MSRP
Sheffield Deep Gray 300
Sheffieldmicro

Deep Gray 300

 
42mm·Automatic·300m WR
$258MSRP
All alternatives to the Marinemaster M-44 →All alternatives to the AquaLume Automatic →
Explore the full catalog
DiscussionNot started

Also compared

Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.

Spinnaker Dumas AutomaticvsUndone AquaLume AutomaticFortis Marinemaster M-44vsUndone Aquadeep Signal AutomaticFortis Marinemaster M-44vsUndone AquaLume Orange Rubber AutomaticFortis Marinemaster M-44vsZelos Hammerhead V3 300m TitaniumFortis Marinemaster M-44vsSheffield Deep Gray 300
Edit this comparisonMore diver comparisonsBest Diver Watches Under $500Explore more 42-45mm watches