Side by side

Ferro Time Master 70vsTissot Gentleman Open Heart

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

Time Master 70
FerroTime Master 70
MSRP $685
Gentleman Open Heart
TissotGentleman Open Heart
MSRP $1,025

At a glance

14 of 29 specs differ
Diameter
Time Master 7047mm
Gentleman Open Heart40mm
Power Reserve
Time Master 7040h
Gentleman Open Heart80h
Water Resistance
Time Master 7050m
Gentleman Open Heart100m
MSRP
Time Master 70$685
Gentleman Open Heart$1,025

Full specifications

Case

6 specs
Diameter
47mm
40mm
Thickness
13mm
11.5mm
Lug-to-Lug
47mm
40mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Miyota 9039
11 1/2'''
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$685
$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.

Ferro Time Master 70

The Ferro Time Master 70 is praised for its distinctive 1970s-inspired polygon case and visually striking silver dial with orange accents and unique lume colors. Owners appreciate the retro design with unique touches, clean dial, and lumed markers, along with the smooth winding of the Miyota 9039 movement. Its 39mm diameter, 10.4mm thickness, and 47mm lug-to-lug dimensions contribute to comfortable wearability, further enhanced by a well-executed faux-single link bracelet featuring a practical on-the-fly micro-adjustment clasp. On balance, owners and reviewers rate the Ferro Time Master 70 highly for its retro design and comfortable wearability.

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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