Side by side

Seiko Diamond CollectionvsGruppo Gamma Field III

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

Diamond Collection
SeikoDiamond Collection
MSRP $525
Field III
Gruppo GammaField III
MSRP $439
What people say

Owners + reviewers, side by side

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

Seiko Diamond Collection

Owners widely praise the Seiko Diamond Collection for its stunning beauty, particularly highlighting the 14 diamonds and the captivating mother-of-pearl dial. Its 33.2mm case size, 100m water resistance, sapphire crystal, and lightweight build are appreciated features contributing to comfortable wear. Some owners find the dial detail is best appreciated in direct sunlight. The gold plating on some models may show fading from desk work over time. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and comfortable, well-finished design at its price point.

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

11 of 29 specs differ
Diameter
Diamond Collection32mm
Field III40mm
Power Reserve
Diamond Collection40h
Field III41h
Water Resistance
Diamond Collection100m
Field III200m
MSRP
Diamond Collection$525
Field III$439

Full specifications

Case

6 specs
Category
Dress
Field
Diameter
32mm
40mm
Thickness
8.2mm
14mm
Lug-to-Lug
39mm
48.5mm
Lug Width
15mm
22mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
6N32
Seiko Instruments NH38A
Power Reserve
40h
41h

Pricing

1 specs
MSRP
$525
$439
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