Side by side

Tudor RoyalvsZelos Helica

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

Royal
TudorRoyal
MSRP $4,100
Helica
ZelosHelica
MSRP $499

At a glance

18 of 29 specs differ
Diameter
Royal30mm
Helica39mm
Power Reserve
Royal50h
Helica40h
Water Resistance
Royal100m
Helica100m
MSRP
Royal$4,100
Helica$499

Full specifications

Case

8 specs
Category
Diver
Diameter
30mm
39mm
Thickness
8.7mm
10.5mm
Lug-to-Lug
46mm
39mm
Lug Width
7mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Polished + Satin
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Blue
39 - Wave MOP

Movement

6 specs
Caliber
MT5201
Miyota 9015
Beat Rate
0 vph
28,800 vph
Power Reserve
50h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes

Pricing

1 specs
MSRP
$4,100
$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 Royal

Owners widely praise the Tudor Royal's integrated bracelet, with many calling it the star of the watch, noting its excellent finishing and comfortable wearability, and several reviewers highlight its attractive value proposition starting under $3,000. Some owners find its Roman numerals and bezel lean dressy, while others appreciate its toned-down bezel and find the watch looks better in person. Accuracy figures range from +1 second per day to about -6 seconds per day, and the 38-hour power reserve is noted as a drawback by some. The lack of bracelet micro-adjustment makes achieving a perfect fit difficult for some owners, and the date window's placement is seen as a missed opportunity for better dial balance. Overall, owners rate the Tudor Royal highly for its bracelet finishing and value at the price.

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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