Side by side

Boldr Expedition EnigmathvsZelos Helica

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

Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599
Helica
ZelosHelica
MSRP $499

At a glance

12 of 29 specs differ
Diameter
Expedition Enigmath41mm
Helica39mm
Power Reserve
Expedition Enigmath42h
Helica40h
Water Resistance
Expedition Enigmath200m
Helica100m
MSRP
Expedition Enigmath$599
Helica$499

Full specifications

Case

6 specs
Category
Tool
Diver
Diameter
41mm
39mm
Thickness
12.8mm
10.5mm
Lug-to-Lug
47.5mm
39mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enigmath Coconino
39 - Wave MOP
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Miyota 9039,
Miyota 9015
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$599
$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.

Boldr Expedition Enigmath

The watch's slide rule function is a convenient feature, allowing for calculations on the go. One potential drawback is the use of the Japanese Miyota 9039 movement, which may be a trade-off for some buyers. Reviewers disagree on whether the quick 'on the fly' adjust bracelet is a more significant advantage than the watch's sapphire crystal for durability and scratch resistance.

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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