Phoibos LeviathanvsRolex Deepsea

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Measurements

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

Phoibos Leviathan at true scale

Leviathan

Rolex Deepsea at true scale

Deepsea

Diameter

45mm

44mm

Lug-to-Lug

54mm

n/a

Thickness

15.5mm

n/a

Water Resistance

500m

3900m

highest

Power Reserve

n/a

70h

MSRP

$309

lowest

$15,550

Movement

Seiko NH35

3235

Case

7 specs
Diameter
45mm
44mm
Thickness
15.5mm
n/a
Lug-to-Lug
54mm
n/a
Lug Width
22mm
n/a
Material
Stainless Steel
Oystersteel
Water Resistance
500m
3900m
Caseback
n/a
Monobloc middle case, screw-down case back and winding crown. Rolex Ringlock System case architecture with Helium escape valve

Crystal & Dial

5 specs
Crystal Shape
n/a
Flat
AR Coating
Yes
n/a
Dial Color
Blue
Black
Indices
n/a
Index
Lume
Super-LumiNova
Chromalight

Movement

7 specs
Caliber
Seiko NH35
3235
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
70h
Jewels
0
31
Hacking
No
Yes
Hand-winding
No
Yes
Complications
None
Date

Pricing

1 specs
MSRP
$309
$15,550
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Phoibos Leviathan

The Phoibos Leviathan is noted for its sturdy, well-made construction and vintage aesthetic, offering a conservative design at an affordable price. Owners report the 45mm case feels heavy and thick at 15.5mm, with one owner replacing the stock band. The watch features a grey dial and blue lume. Overall, owners find the Phoibos Leviathan to be a well-built, vintage-inspired watch at an accessible price point.

From video reviewers

The watch features 500m water resistance and a Seiko NH35 automatic movement. The case size is a point of contention, with reviewers noting it is substantial and may overwhelm smaller wrists, while others highlight a 40mm case size as an improvement.

Rolex Deepsea

The Rolex Deepsea is widely seen as a substantial, well-built watch with impressive engineering. Owners and reviewers note its robust compression architecture and the caliber 3235 movement, certified to Rolex's stringent -2/+2 seconds per day standard. Some find the watch exceptionally comfortable on a Rubber B strap, while others appreciate its heft and balance on the bracelet. However, its large size and thickness are polarizing, with some finding it too big and heavy for smaller wrists or as a daily wearer, and a few consider it a showpiece rather than a practical tool unless one is a serious diver. Overall, owners and reviewers rate the Rolex Deepsea highly for its impressive engineering and robust build, despite its polarizing size and thickness.

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