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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, beautiful dial, and suitability as an everyday watch. Reviewers and owners alike highlight the refined dial with its applied markers and horizontal teak-inspired lines, noting excellent legibility and a sophisticated, luxurious feel. The comfort of the factory rubber strap is frequently mentioned, and some owners find the watch to be a "go anywhere, do anything" timepiece. One owner reports accuracy of +5 seconds per day, within Master Chronometer specifications. However, some reviewers find the steel bracelet lags behind the case quality, and a lack of micro-adjustments on the clasp is noted as a drawback for daily wear. One owner wished for a jumping hour hand on the movement. Overall, owners and reviewers rate the Omega Seamaster Aqua Terra Shades Co Axial Master Chronometer highly for its versatile design and beautiful dial, making it a sophisticated dress/sport hybrid.

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$20,700
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
18kt 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
$20,700
$11,100
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