Side by side

Tissot Le Locle Open HeartvsGruppo Gamma Field III GMT Date

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

What people say

Owners + reviewers, side by side

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

Tissot Le Locle Open Heart

Owners widely praise the Tissot Le Locle Open Heart for its elegant aesthetic, featuring a guilloché dial and Roman numerals, and appreciate its practical 80-hour power reserve and Nivachron hairspring. The watch is also noted for offering dual bracelet and strap options, along with a see-through case back. However, one owner flags negative community feedback regarding the comfort of the synthetic leather strap. Overall, owners rate the Tissot Le Locle Open Heart highly for its attractive design and impressive technical specifications at its price point.

Gruppo Gamma Field III GMT Date

Owners widely praise the Gruppo Gamma Field III GMT Date for its awesome looks, quality, and good value. The watch features a 40mm brushed 316L stainless steel case, box sapphire crystal, and 200m water resistance, powered by a Seiko NH34A movement. Some reviewers note the NH34A movement's accuracy can range from -20~+40 seconds per day, though one reviewer reported +5 seconds per day with a regulated movement. The dial's dense layout with Arabic numerals can be overwhelming for some, and one owner found the size unsuitable for smaller wrists. On balance, owners rate the Gruppo Gamma Field III GMT Date highly for its impressive finishing and toolish design at its price point.

At a glance

14 of 29 specs differ
Diameter
Le Locle Open Heart39.3mm
Field III GMT Date40mm
Power Reserve
Le Locle Open Heart80h
Field III GMT Date41h
Water Resistance
Le Locle Open Heart30m
Field III GMT Date200m
MSRP
Le Locle Open Heart$995
Field III GMT Date$459

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
39.3mm
40mm
Thickness
9.75mm
14mm
Lug-to-Lug
39.3mm
48.5mm
Lug Width
19mm
22mm
Water Resistance
30m
200m

Crystal & Dial

4 specs
AR Coating
Yes
Dial Color
Silver
Black
Indices
Roman
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
11.5'
Seiko Instruments NH38A
Power Reserve
80h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$995
$459
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