Side by side

Oak & Oscar The JacksonvsGruppo Gamma Field III GMT

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

The Jackson
Oak & OscarThe Jackson
MSRP $2,850
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

16 of 29 specs differ
Diameter
The Jackson40mm
Field III GMT40mm
Power Reserve
The Jackson60 hoursh
Field III GMT41h
Water Resistance
The Jackson50m
Field III GMT200m
MSRP
The Jackson$2,850
Field III GMT$459

Full specifications

Case

6 specs
Category
Chronograph
GMT
Thickness
14.5mm
14mm
Lug-to-Lug
46.4mm
48.5mm
Lug Width
20mm
22mm
Finish
Brushed
Brushed and polished
Water Resistance
50m
200m

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Yes
Dial Color
Grey
Black
Indices
Baton
Applied

Movement

5 specs
Caliber
Eterna Caliber 39 (Cal. 3916M)
Seiko Instruments NH38A
Type
Manual
Automatic
Beat Rate
4 vph
28,800 vph
Power Reserve
60 hoursh
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$2,850
$459

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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.

Oak & Oscar The Jackson

Oak & Oscar The Jackson is a 40mm flyback chronograph praised for its balanced design and fine details, with reviewers highlighting the readability of the dial, particularly the new blue option and the 12-hour stacked subdial. The watch features a modular Eterna caliber movement, with one version utilizing the 3916M and another the 3907M, and is housed in a 40mm steel case. It is priced at $3,150 and includes two Horween leather straps and a watch wallet. On balance, reviewers find Oak & Oscar The Jackson to be a sporty, subtle chronograph with a comfortable wearability and an easy-to-read dial.

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.

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