Side by side

Boldr BOLDR x NitecorevsTissot Gentleman Open Heart

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

BOLDR x Nitecore
BoldrBOLDR x Nitecore
MSRP $449
Gentleman Open Heart
TissotGentleman Open Heart
MSRP $1,025

At a glance

14 of 29 specs differ
Diameter
BOLDR x Nitecore38mm
Gentleman Open Heart40mm
Power Reserve
BOLDR x Nitecore40h
Gentleman Open Heart80h
Water Resistance
BOLDR x Nitecore200m
Gentleman Open Heart100m
MSRP
BOLDR x Nitecore$449
Gentleman Open Heart$1,025

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
38mm
40mm
Thickness
12.8mm
11.5mm
Lug-to-Lug
44mm
40mm
Lug Width
20mm
21mm
Material
Titanium
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Domed
Dial Color
The Kraken by BOLDR x Nitecore
Silver
Indices
Applied
Indexes
Lume
Super-LumiNova
Super-LumiNova ®

Movement

2 specs
Caliber
Seiko NH35A
11 1/2'''
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$449
$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.

BOLDR x Nitecore

BOLDR x Nitecore is widely praised for its lightweight 38mm PVD titanium case, excellent legibility, and perfect sizing. Owners and reviewers highlight the unique, topographical map-inspired dial offering fantastic depth, complemented by color-matched Old-Radium C3 lume and subtle branding. The watch is described as durable and powerfully lumed, with the included Nitecore TIKI torch capable of boosting its glow. On balance, owners and reviewers rate the BOLDR x Nitecore highly for its exceptional lume and distinctive dial design at its price point.

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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