Side by side

Bremont ionBirdvsGrand Seiko SLGC001

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

ionBird
BremontionBird
MSRP $5,800
SLGC001
Grand SeikoSLGC001
MSRP $14,700

At a glance

11 of 29 specs differ
Diameter
ionBird43mm
SLGC00143.2mm
Power Reserve
ionBird40h
SLGC00172h
Water Resistance
ionBird
SLGC001100m
MSRP
ionBird$5,800
SLGC001$14,700

Full specifications

Case

6 specs
Category
Pilot
Chronograph
Diameter
43mm
43.2mm
Thickness
15.3mm
Lug-to-Lug
51.5mm
Lug Width
23mm
Water Resistance
100m

Crystal & Dial

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

Movement

2 specs
Caliber
9SC5
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$5,800
$14,700

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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.

Grand Seiko SLGC001

The Grand Seiko SLGC001 is praised for its high-tech titanium construction and 72-hour power reserve. Reviewers note the new 9SC5 movement, a 5Hz caliber with a +5 to -3 seconds per day accuracy rating. The watch features a balanced tri-compax dial and 100m water resistance. However, its 43.2mm width and 15.3mm thickness are described as bulky, and some find its styling less distinctive than previous models. On balance, reviewers highlight the technical achievement of Grand Seiko's first mechanical chronograph, despite its substantial dimensions.

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