Side by side

Timefactors PRS-36vsGruppo Gamma Field III GMT

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

PRS-36
TimefactorsPRS-36
MSRP $530
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-36

Owners widely praise the Timefactors PRS-36 for its classy vintage styling, comfortable thin cushion case, and brushed aluminum dial. The Peseux 7040 hand-winding movement and 37mm case size are noted, with one owner finding it wears larger than expected. The included strap and buckle are frequently cited as undesirable, with owners opting for replacements. Overall, owners rate the Timefactors PRS-36 highly for its vintage aesthetics and comfortable wearability 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

14 of 29 specs differ
Diameter
PRS-3637mm
Field III GMT40mm
Power Reserve
PRS-36
Field III GMT41h
Water Resistance
PRS-3650m
Field III GMT200m
MSRP
PRS-36$530
Field III GMT$459

Full specifications

Case

6 specs
Category
GMT
Diameter
37mm
40mm
Thickness
10.5mm
14mm
Lug-to-Lug
44.8mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Silver
Black
Lume
SuperLuminova C3
Super-LumiNova

Movement

4 specs
Caliber
Peseux 7040
Seiko Instruments NH38A
Type
Manual
Automatic
Power Reserve
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$530
$459
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