Side by side

Tudor Pelagos UltravsZelos Hammerhead V3 300m Titanium

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Pelagos Ultra
TudorPelagos Ultra
MSRP $6,900
Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559

At a glance

18 of 29 specs differ
Diameter
Pelagos Ultra40mm
Hammerhead V3 300m Titanium44mm
Power Reserve
Pelagos Ultra65h
Hammerhead V3 300m Titanium40h
Water Resistance
Pelagos Ultra100m
Hammerhead V3 300m Titanium300m
MSRP
Pelagos Ultra$6,900
Hammerhead V3 300m Titanium$559

Full specifications

Case

6 specs
Diameter
40mm
44mm
Thickness
14.5mm
13mm
Lug-to-Lug
46mm
44mm
Finish
Satin
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid screw-down
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Ti - Mosaic MOP
Indices
Applied

Movement

6 specs
Caliber
MT5612-U
Seiko NH35
Beat Rate
0 vph
28,800 vph
Power Reserve
65h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes

Pricing

1 specs
MSRP
$6,900
$559

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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.

Tudor Pelagos Ultra

The Tudor Pelagos Ultra is praised for its 1000 meters of water resistance, METAS-certified Calibre MT5612-U movement, and fully lumed dial and bezel. Reviewers highlight its titanium case and self-adjusting clasp as key features. The Tudor Pelagos Ultra is slightly larger at 43mm than some other models in the line but wears comfortably. Overall, owners and reviewers rate the Tudor Pelagos Ultra highly for its technical specifications and comfortable wearability as a flagship dive watch.

From video reviewers

The Tudor Pelagos Ultra's all-titanium construction provides a lightweight and durable case. One weakness is the lack of lume brightness. Reviewers disagree on whether the helium release valve is a notable feature or a drawback for a more streamlined design.

Zelos Hammerhead V3 300m Titanium

The Zelos Hammerhead V3 300m Titanium is widely praised for its exceptional lume, unique and beautiful dial finishing that reflects light dramatically, and solid build quality that exceeds its price point. Owners also highlight its comfortable wearability, especially the lightweight titanium variant, and the convenient on-the-fly micro-adjustment on the bracelet. One owner notes the Japanese movement performs better than anticipated, and the Ti-Damascus variant features a unique, patterned dial and bezel. However, some owners find the 44mm size large, the crown "off," and the bracelet clasp could be more scratch-resistant, with resizing pins described as stubborn. Reattaching the bracelet after removal is also noted as extremely difficult. Overall, owners rate the Zelos Hammerhead V3 300m Titanium highly for its impressive dial aesthetics and value for money.

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