Side by side

Bremont ionBirdvsZelos Aurora Moonphase

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

ionBird
BremontionBird
MSRP $5,800
Aurora Moonphase
ZelosAurora Moonphase
MSRP $949

At a glance

9 of 29 specs differ
Diameter
ionBird43mm
Aurora Moonphase39mm
Power Reserve
ionBird40h
Aurora Moonphase40h
Water Resistance
ionBird
Aurora Moonphase200m
MSRP
ionBird$5,800
Aurora Moonphase$949

Full specifications

Case

6 specs
Category
Pilot
Moonphase
Diameter
43mm
39mm
Thickness
12.5mm
Lug-to-Lug
39mm
Lug Width
20mm
Water Resistance
200m

Crystal & Dial

1 specs
Dial Color
Regular length (15cm - 19cm wrist size)
Meteorite

Movement

1 specs
Caliber
Sellita SW288

Pricing

1 specs
MSRP
$5,800
$949

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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.

Bremont ionBird

Owners report the Bremont ionBird is overpriced and features a printed dial with a poorly placed date window at 4:30, which some find visually disruptive. However, some owners suggest its case finishing is superior to competitors. The 43mm titanium Bremont ionBird GMT is powered by a COSC-certified BE-93-2AV automatic movement and retails for $5,795. On balance, owners and reviewers find the Bremont ionBird's date window placement and price point to be significant drawbacks.

Zelos Aurora Moonphase

Owners widely praise Zelos for offering excellent value, solid build quality, and enthusiast-friendly designs, with unique dial variants often selling out quickly. The Zelos Aurora Moonphase is noted as a desirable model, though finding one can be challenging. Some owners find Zelos's designs, including those of the Aurora line, to be too flashy for everyday wear, preferring a more subdued aesthetic. One owner reported their Zelos Aurora Nebula 38mm running at -5.3 seconds per day. Overall, owners rate the Zelos Aurora Moonphase highly for its desirable microbrand status and unique dial appeal.

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