Side by side

Bremont ionBirdvsGruppo Gamma Field III

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

ionBird
BremontionBird
MSRP $5,800
Field III
Gruppo GammaField III
MSRP $439

At a glance

13 of 29 specs differ
Diameter
ionBird43mm
Field III40mm
Power Reserve
ionBird40h
Field III41h
Water Resistance
ionBird
Field III200m
MSRP
ionBird$5,800
Field III$439

Full specifications

Case

7 specs
Category
Pilot
Field
Diameter
43mm
40mm
Thickness
14mm
Lug-to-Lug
48.5mm
Lug Width
22mm
Material
Titanium
Stainless Steel
Water Resistance
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Regular length (15cm - 19cm wrist size)
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Seiko Instruments NH38A
Power Reserve
40h
41h

Pricing

1 specs
MSRP
$5,800
$439

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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.

Gruppo Gamma Field III

The watch's 200m water resistance is a notable strength. A weakness is the use of the Seiko NH34A GMT movement, which might be considered less desirable than some other options due to its relatively lower grade compared to other movements in this price range.

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