Side by side

Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited EditionvsGruppo Gamma Field III GMT

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

Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

14 of 29 specs differ
Diameter
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm
Field III GMT40mm
Power Reserve
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h
Field III GMT41h
Water Resistance
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m
Field III GMT200m
MSRP
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500
Field III GMT$459

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
42mm
40mm
Thickness
14.6mm
14mm
Lug-to-Lug
49.5mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Yes
Lume
LumiBrite on hands and index(es)
Super-LumiNova

Movement

4 specs
Caliber
8R48
Seiko Instruments NH38A
Power Reserve
45h
41h
Jewels
34
25
Complications
None
GMT

Pricing

1 specs
MSRP
$2,500
$459

Follow this matchup

Get a note when Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition vs Gruppo Gamma Field III GMT gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

Owners widely praise the Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition for its refined presence and intricate dial patterns, with some favoring its unique red dial and steel bezel over other Speedtimer models. However, some owners criticize the 24-hour subdial as useless, the date window as recessed, and the stock bracelet as difficult to fit, while others find the pushers stick out too much. One owner notes the $995 price point is high for the 6R55 movement, suggesting a lower range, though others appreciate the Seiko finishing and charm. On balance, owners rate the Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition well for its unique aesthetic and finishing, despite some functional and value concerns.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.