Side by side

Spinnaker Fleuss Mechanical ChronographvsTissot Gentleman Open Heart

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

Fleuss Mechanical Chronograph
SpinnakerFleuss Mechanical Chronograph
MSRP $550
Gentleman Open Heart
TissotGentleman Open Heart
MSRP $1,025

At a glance

13 of 29 specs differ
Diameter
Fleuss Mechanical Chronograph43mm
Gentleman Open Heart40mm
Power Reserve
Fleuss Mechanical Chronograph40h
Gentleman Open Heart80h
Water Resistance
Fleuss Mechanical Chronograph100m
Gentleman Open Heart100m
MSRP
Fleuss Mechanical Chronograph$550
Gentleman Open Heart$1,025

Full specifications

Case

5 specs
Diameter
43mm
40mm
Thickness
14mm
11.5mm
Lug-to-Lug
51mm
40mm
Lug Width
22mm
21mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Black
Silver
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
Seagull ST1908
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$550
$1,025

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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.

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.

Tissot Gentleman Open Heart

Owners widely praise the Tissot Gentleman Open Heart for its versatile dressy-sporty aesthetic and elegant sunburst dial finish, with one owner preferring its less shiny blue dial compared to other versions. The watch offers excellent fit and bracelet adjustability, and its modified Powermatic 80 movement achieves COSC-level accuracy of -3 to +5 seconds/day, though the seconds hand movement is slightly less smooth at 6 movements per second. However, one owner reported the watch arrived non-functional, requiring a return due to an inoperable movement. On balance, owners rate the Tissot Gentleman Open Heart highly for its aesthetic appeal and accurate timekeeping, despite a reported instance of a faulty movement.

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