Side by side

Timefactors PRS-29AvsGruppo Gamma Field III GMT

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

PRS-29A
TimefactorsPRS-29A
MSRP $544
Field III GMT
Gruppo GammaField III GMT
MSRP $459
What people say

Owners + reviewers, side by side

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

Timefactors PRS-29A

Owners widely praise the Timefactors PRS-29A for its excellent value, faithful reissue design, and compact 36mm case. The manual-wind ETA 2801-2 movement, 100m water resistance, and anti-magnetic properties are frequently highlighted as functional strengths, making it a popular grab-and-go or travel watch. Some owners note the shiny hands can blend into the dial, and one owner reports accuracy around +5 seconds per day. A desire for a screw-down crown for enhanced water resistance and poor lume are also mentioned. Overall, owners rate the Timefactors PRS-29A highly for its historical accuracy and robust build at its price point.

Gruppo Gamma Field III GMT

Owners praise the Gruppo Gamma Field III GMT for its look and value, with specific mentions of its sandwich dial and comfortable OEM straps. One owner notes incredible quality for the price across their Gruppo Gamma watches. The watch features a 40mm brushed stainless steel case, box sapphire crystal, and a Seiko NH34A movement with a 41-hour power reserve and stated accuracy of -20~+40 s/day. Some find the lack of a date window a drawback for a GMT, and question its differentiation from other NH34-powered watches. On balance, owners and reviewers find the Gruppo Gamma Field III GMT to be a good value with quality construction for its price point.

At a glance

13 of 29 specs differ
Diameter
PRS-29A36mm
Field III GMT40mm
Power Reserve
PRS-29A
Field III GMT41h
Water Resistance
PRS-29A100m
Field III GMT200m
MSRP
PRS-29A$544
Field III GMT$459

Full specifications

Case

6 specs
Category
GMT
Diameter
36mm
40mm
Thickness
11.1mm
14mm
Lug-to-Lug
46.8mm
48.5mm
Lug Width
18mm
22mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
SuperLuminova C3
Super-LumiNova

Movement

4 specs
Caliber
ETA 2801-2
Seiko Instruments NH38A
Type
Manual
Automatic
Power Reserve
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$544
$459
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