Side by side

Seiko Prospex Land MechanicalvsGruppo Gamma Field III

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.

Seiko Prospex Land Mechanical

Owners widely praise the Seiko Prospex Land Mechanical for its unique style, useful day-date complication, and value, with some finding it suitable as a one-watch-for-all-occasions. Accuracy and durability are noted as strengths, with one owner reporting good performance even in water submersion. However, multiple owners criticize its size, with figures around 41mm to 43mm and 14.4mm thickness being flagged as too large and thick for smaller wrists. The Hardlex crystal and a potentially loose inner compass bezel are also points of criticism. On balance, owners rate the Seiko Prospex Land Mechanical highly for its unique style and value, despite concerns over its substantial dimensions.

Gruppo Gamma Field III

The watch's 200m water resistance is a notable strength. A weakness is the use of the Seiko NH34A GMT movement, which might be considered less desirable than some other options due to its relatively lower grade compared to other movements in this price range.

At a glance

10 of 29 specs differ
Diameter
Prospex Land Mechanical39.5mm
Field III40mm
Power Reserve
Prospex Land Mechanical72h
Field III41h
Water Resistance
Prospex Land Mechanical200m
Field III200m
MSRP
Prospex Land Mechanical$995
Field III$439

Full specifications

Case

4 specs
Diameter
39.5mm
40mm
Thickness
12.7mm
14mm
Lug-to-Lug
46.4mm
48.5mm
Lug Width
20mm
22mm

Crystal & Dial

2 specs
AR Coating
Anti-reflective coating on inner surface
Yes
Lume
LumiBrite on hands and index(es)
Super-LumiNova

Movement

3 specs
Caliber
6R55
Seiko Instruments NH38A
Power Reserve
72h
41h
Jewels
24
0

Pricing

1 specs
MSRP
$995
$439
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