Side by side

Sartory Billard SB05vsGruppo Gamma Field III GMT Date

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

Field III GMT Date
Gruppo GammaField III GMT Date
MSRP $459

At a glance

13 of 29 specs differ
Diameter
SB0538.5mm
Field III GMT Date40mm
Power Reserve
SB0590h
Field III GMT Date41h
Water Resistance
SB0550m
Field III GMT Date200m
MSRP
SB05
Field III GMT Date$459

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
38.5mm
40mm
Thickness
8.5mm
14mm
Lug-to-Lug
45.5mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
50m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
LJP Cal. 7380
Seiko Instruments NH38A
Type
Manual
Automatic
Power Reserve
90h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$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.

Sartory Billard SB05

The dial's Maki-e Raden and aventurine combination is a standout feature. The 38.5mm case size and slim profile are noted for comfort.

Gruppo Gamma Field III GMT Date

Owners widely praise the Gruppo Gamma Field III GMT Date for its awesome looks, quality, and good value. The watch features a 40mm brushed 316L stainless steel case, box sapphire crystal, and 200m water resistance, powered by a Seiko NH34A movement. Some reviewers note the NH34A movement's accuracy can range from -20~+40 seconds per day, though one reviewer reported +5 seconds per day with a regulated movement. The dial's dense layout with Arabic numerals can be overwhelming for some, and one owner found the size unsuitable for smaller wrists. On balance, owners rate the Gruppo Gamma Field III GMT Date highly for its impressive finishing and toolish design at its price point.

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