Side by side

Tissot Gentleman Open HeartvsZelos Nova 37

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

Gentleman Open Heart
TissotGentleman Open Heart
MSRP $1,025
Nova 37
ZelosNova 37
MSRP $899

At a glance

17 of 29 specs differ
Diameter
Gentleman Open Heart40mm
Nova 3737mm
Power Reserve
Gentleman Open Heart80h
Nova 3740h
Water Resistance
Gentleman Open Heart100m
Nova 3750m
MSRP
Gentleman Open Heart$1,025
Nova 37$899

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
40mm
37mm
Thickness
11.5mm
7mm
Lug-to-Lug
40mm
37mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

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

Movement

3 specs
Caliber
ETA 7001
Type
Automatic
Manual
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,025
$899

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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.

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.

Zelos Nova 37

Owners widely praise the Zelos Nova 37's spectacular 37mm dimensions and extremely light, thin wearability. The meteorite dial is frequently highlighted as a captivating feature, though some reviewers suggest simpler indices would improve legibility over the Arabic numerals. The watch is considered a considerable value at $1,999. On balance, owners and reviewers rate the Zelos Nova 37 highly for its excellent dimensions and dial execution at the price.

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