Side by side

Tissot Gentleman Open HeartvsYema Pearldiver

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
Pearldiver
YemaPearldiver
MSRP $491

At a glance

13 of 29 specs differ
Diameter
Gentleman Open Heart40mm
Pearldiver38mm
Power Reserve
Gentleman Open Heart80h
Pearldiver40h
Water Resistance
Gentleman Open Heart100m
Pearldiver100m
MSRP
Gentleman Open Heart$1,025
Pearldiver$491

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
40mm
38mm
Thickness
11.5mm
14mm
Lug-to-Lug
40mm
46mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

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

Movement

1 specs
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,025
$491

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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.

Yema Pearldiver

Owners widely praise the Yema Pearldiver's vintage aesthetic, clean dial, and sub-40mm dimensions with short lug-to-lug, noting its in-house movement and solid build quality. Accuracy figures range from dead-on at 0 seconds per day to +2 seconds per day, though some owners have reported dead-on-arrival movements requiring returns. The bracelet clasp is described by one owner as "pretty cheap." Some find the design pedestrian and lacking uniqueness, with the faux lume color noted as too dark by one commenter. Overall, owners rate the Yema Pearldiver highly for its vintage appeal and wearable dimensions at the price.

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