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Omega Seamaster Aqua Terra Shades Co Axial Master ChronometervsGrand Seiko SLGB005

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Omega Seamaster Aqua Terra Shades Co Axial Master Chronometer

Owners widely praise the Omega Seamaster Aqua Terra Shades Co Axial Master Chronometer for its versatile design, suitable for both dressy and sporty occasions, and its incredible finishing. Reviewers and owners alike highlight the stunning dials that change color with lighting, with specific appreciation for the white dial's snow-like appearance and the bay green color. The METAS-certified co-axial movement is frequently lauded, and the watch is considered a strong value proposition. Some owners find the lume could be stronger for nighttime legibility, and a few note that the bracelet lacks micro-adjustment for a perfect fit, though the factory rubber strap is praised for comfort. The dial color, particularly the blue, appears more slate gray in person than in product images, and seeing the watch in person is recommended. Overall, owners and reviewers rate the Omega Seamaster Aqua Terra Shades Co Axial Master Chronometer highly for its refined dial design and versatile wearability.

Grand Seiko SLGB005

The Grand Seiko SLGB005 is widely praised for its stunning "Ice Forest" smoked purple dial, inspired by frost-covered trees, and its compact 37mm Ever-Brilliant Steel case. It is powered by the 9RB2 Spring Drive caliber, noted for its exceptional accuracy of ±3 seconds per month or ±20 seconds per year, and offers a 72-hour power reserve. Reviewers consistently highlight the dial's mesmerizing beauty and the case's sculpted design as significant strengths. However, multiple sources express disappointment that the Grand Seiko SLGB005 omits the micro-adjustment clasp found on other models, especially considering its $11,100 price point, though one reviewer found this did not detract from wearability. Overall, reviewers rate the Grand Seiko SLGB005 highly for its visually arresting dial and precise Spring Drive movement, despite the clasp oversight.

From video reviewers

The watch features a ±3 seconds per month accurate Ultra Fine Accuracy Calibre 9RB2 movement. The Ever-Brilliant Steel finish has polishing flaws that detract from the watch's appearance. Reviewers disagree on the movement's accuracy, with one reviewer citing ±3 seconds per month and another ±10 seconds per month.

At a glance

17 of 29 specs differ
Diameter
Seamaster Aqua Terra Shades Co Axial Master Chronometer34mm
SLGB00537mm
Power Reserve
Seamaster Aqua Terra Shades Co Axial Master Chronometer55h
SLGB00572h
Water Resistance
Seamaster Aqua Terra Shades Co Axial Master Chronometer150m
SLGB005100m
MSRP
Seamaster Aqua Terra Shades Co Axial Master Chronometer$13,900
SLGB005$11,100

Full specifications

Case

8 specs
Category
Sport
Dress
Diameter
34mm
37mm
Thickness
11.88mm
11.4mm
Lug-to-Lug
40.5mm
44.3mm
Lug Width
16mm
20mm
Material
Steel & Moonshine Gold
Stainless Steel
Finish
Steel
Water Resistance
150m
100m

Crystal & Dial

3 specs
Crystal Shape
Domed
AR Coating
Yes
Dial Color
Blue

Movement

5 specs
Caliber
Omega 8800
Grand Seiko 9RB2
Type
Automatic
Spring Drive
Power Reserve
55h
72h
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$13,900
$11,100
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