Side by side

Bremont ionBirdvsGrand Seiko SLGH005

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

ionBird
BremontionBird
MSRP $5,800
SLGH005
Grand SeikoSLGH005
MSRP $9,800

At a glance

12 of 29 specs differ
Diameter
ionBird43mm
SLGH00540mm
Power Reserve
ionBird40h
SLGH00580h
Water Resistance
ionBird
SLGH005100m
MSRP
ionBird$5,800
SLGH005$9,800

Full specifications

Case

7 specs
Category
Pilot
Dress
Diameter
43mm
40mm
Thickness
11.7mm
Lug-to-Lug
47mm
Lug Width
22mm
Material
Titanium
Stainless Steel
Water Resistance
100m

Crystal & Dial

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

Movement

2 specs
Caliber
9SA5
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$5,800
$9,800

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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 SLGH005

The Grand Seiko SLGH005 is widely praised for its stunning "White Birch" textured dial, exceptional finishing including mirror-polished indexes and Zaratsu polishing, and the innovative Caliber 9SA5 movement. Owners and reviewers consistently highlight the dial's texture and the elaborate, mirror-like indexes. The watch's 40mm stainless steel case is noted for its slender, sporty design and comfortable wearability, with some finding its size well-proportioned and its brushed and polished surfaces practical for hiding scratches. The 9SA5 movement is recognized for its 80-hour power reserve and 36,000 vph hi-beat frequency, though one owner found its finishing less impressive than other movement types in a similar price bracket. Some reviewers consider its price somewhat high relative to alternatives and desire a micro-adjustable bracelet. On balance, owners and reviewers rate the Grand Seiko SLGH005 highly for its exquisite dial and finishing, powered by an advanced high-beat movement.

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