Side by side

Grand Seiko SBGX359vsSpinnaker Fleuss Mechanical Chronograph

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

SBGX359
Grand SeikoSBGX359
Fleuss Mechanical Chronograph
SpinnakerFleuss Mechanical Chronograph
MSRP $550

At a glance

10 of 29 specs differ
Diameter
SBGX35933mm
Fleuss Mechanical Chronograph43mm
Power Reserve
SBGX35940h
Fleuss Mechanical Chronograph40h
Water Resistance
SBGX359100m
Fleuss Mechanical Chronograph100m
MSRP
SBGX359
Fleuss Mechanical Chronograph$550

Full specifications

Case

6 specs
Category
Dress
Chronograph
Diameter
33mm
43mm
Thickness
9.1mm
14mm
Lug-to-Lug
39.7mm
51mm
Lug Width
15mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

2 specs
Caliber
9F51
Seagull ST1908
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$550

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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.

Grand Seiko SBGX359

The Grand Seiko SBGX359 is lauded for its technically advanced 9F51 quartz movement, enabling a compact 33mm x 9.1mm stainless steel case and offering ±10 seconds per year accuracy. Reviewers highlight the refined finishing of its Snowflake dial and 100 meters of water resistance. However, it comes with a US$3,200 price tag, representing a $500 increase over prior 9F models. Overall, reviewers praise the Grand Seiko SBGX359 for its compact dimensions and precise quartz movement at the specified price point.

Spinnaker Fleuss Mechanical Chronograph

Owners widely report a split on build quality, with some finding the Spinnaker Fleuss Mechanical Chronograph's construction unimpressive due to issues like a poorly seated bezel and crooked indices, while others praise its robustness and aesthetic appeal. The unique dial features character hands and glowing eyes serving as subdials and a 24-hour indicator, though the chronograph function is limited to 60 minutes. On balance, the Spinnaker Fleuss Mechanical Chronograph elicits divided opinions on its build quality, with its artistic dial design being a notable, albeit polarizing, feature.

From video reviewers

The Spinnaker Googly Black's notable strength is its reported water-resistance of 300 fathoms or 550 metres. A weakness of this watch is its lume brightness, which is somewhat lacking. Reviewers disagree on the watch's ideal size, with one reviewer noting its slimmed-down design and the other mentioning its overall size and 26+ millimeter thickness.

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