Side by side

Tudor Pelagos UltravsZelos Helica

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

Pelagos Ultra
TudorPelagos Ultra
MSRP $6,900
Helica
ZelosHelica
MSRP $499

At a glance

19 of 29 specs differ
Diameter
Pelagos Ultra40mm
Helica39mm
Power Reserve
Pelagos Ultra65h
Helica40h
Water Resistance
Pelagos Ultra1,000m
Helica100m
MSRP
Pelagos Ultra$6,900
Helica$499

Full specifications

Case

8 specs
Diameter
40mm
39mm
Thickness
14.5mm
10.5mm
Lug-to-Lug
46mm
39mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel
Finish
Satin
Brushed and polished
Water Resistance
1000m
100m
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
39 - Wave MOP
Indices
Applied

Movement

6 specs
Caliber
MT5612-U
Miyota 9015
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
$499

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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 Helica

Owners widely praise the Zelos Helica for its stunning, often color-shifting dials, with specific mentions of the MoP, slate grey, 'Steel Blue', and red opal variants being particularly captivating and artful. The 39mm case size is noted as fitting well on smaller wrists, and the overall build quality and finishing for the price are frequently highlighted as impressive, with one owner calling it "a lot of watch for the price." Some owners appreciate the novel bracelet designs and full lume dials, while others find the bracelet and clasp edges sharp or the clasp lacking on-the-fly adjustment. Opinions on the date window are mixed, with one owner disliking it. The Zelos Helica Moonphase was considered cluttered by one owner, and its $1K USD price point was felt to be steep by another, though popular variants sold out rapidly. Overall, owners rate the Zelos Helica highly for its striking dial designs and impressive value proposition.

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