Side by side

Zelos Hammerhead (Tantalum LE)vsTissot Gentleman Open Heart

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

Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499
Gentleman Open Heart
TissotGentleman Open Heart
MSRP $1,025

At a glance

16 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Gentleman Open Heart40mm
Power Reserve
Hammerhead (Tantalum LE)40h
Gentleman Open Heart80h
Water Resistance
Hammerhead (Tantalum LE)300m
Gentleman Open Heart100m
MSRP
Hammerhead (Tantalum LE)$1,499
Gentleman Open Heart$1,025

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
44mm
40mm
Thickness
13mm
11.5mm
Lug-to-Lug
44mm
40mm
Lug Width
22mm
21mm
Material
Titanium
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko NH35
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$1,499
$1,025

Follow this matchup

Get a note when Zelos Hammerhead (Tantalum LE) vs Tissot Gentleman Open Heart gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.