Side by side

Boldr Odyssey 40mmvsZelos Helica Moonphase

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

What people say

Owners + reviewers, side by side

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

Boldr Odyssey 40mm

Owners praise Boldr for impressive specifications and value, with one owner noting the Odyssey Black Dragonfish has superior specs and movement compared to other models. A separate owner finds the Venture to be an exceptional value and versatile with strap changes. However, one owner feels the Venture's size is borderline for an 8-inch wrist. Overall, owners rate Boldr highly for its value and specifications.

Zelos Helica Moonphase

Owners widely praise the Zelos Helica Moonphase for its gorgeous aventurine dial, unique industrial-dress aesthetic, and comfortable wearability, with one owner calling it spectacular and another their favorite Zelos. The moonphase complication is frequently highlighted as beautiful, though some find the double moon distracting or the dial cluttered. A manual-wind movement combined with a screw-down crown is noted as a drawback by some, requiring adjustment and potentially feeling fragile when fully wound, while one owner reports a 43-hour power reserve. On balance, owners rate the Zelos Helica Moonphase highly for its stunning aventurine dial and unique design at its price point.

At a glance

12 of 29 specs differ
Diameter
Odyssey 40mm40mm
Helica Moonphase39mm
Power Reserve
Odyssey 40mm42h
Helica Moonphase
Water Resistance
Odyssey 40mm300m
Helica Moonphase100m
MSRP
Odyssey 40mm$799
Helica Moonphase$1,049

Full specifications

Case

6 specs
Category
Diver
Moonphase
Diameter
40mm
39mm
Thickness
12.5mm
10mm
Lug-to-Lug
48mm
39mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Dial Color
Aurora
Meteorite
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW288 Moonphase
Power Reserve
42h
0h

Pricing

1 specs
MSRP
$799
$1,049
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