Side by side

Bremont ionBirdvsCitizen Series 8 870

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

ionBird
BremontionBird
MSRP $5,800
Series 8 870
CitizenSeries 8 870
MSRP $1,095

At a glance

12 of 29 specs differ
Diameter
ionBird43mm
Series 8 87039mm
Power Reserve
ionBird40h
Series 8 87042h
Water Resistance
ionBird
Series 8 870100m
MSRP
ionBird$5,800
Series 8 870$1,095

Full specifications

Case

7 specs
Category
Pilot
Sport
Diameter
43mm
39mm
Thickness
12mm
Lug-to-Lug
46mm
Lug Width
11mm
Material
Titanium
Stainless Steel
Water Resistance
100m

Crystal & Dial

2 specs
AR Coating
Inner
Underside
Dial Color
Regular length (15cm - 19cm wrist size)
Green

Movement

2 specs
Caliber
9051
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$5,800
$1,095

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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.

Citizen Series 8 870

The Citizen Series 8 870 is praised for its compelling value proposition and modern Japanese design with a sporty edge. Reviewers note its 40mm steel case, glossy dial with applied markers, and the in-house Calibre 0950 automatic movement offering 50 hours of power reserve and enhanced magnetic resistance. The flat sapphire crystal is noted to collect fingerprints, and the solid caseback omits a view of the movement. The limited edition variant features a 40.8mm black DLC-coated case, a carbon fiber dial, and the 0950 movement regulated to -5/+10 seconds per day. Overall, the Citizen Series 8 870 is viewed as a strong offering for its blend of design and features.

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