Side by side

Sternglas LumatikvsGruppo Gamma Field III GMT Date

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

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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.

Sternglas Lumatik

Owners praise the Sternglas Lumatik for its playful Bauhaus design, fresh color palette, and unique bicolored lume. Reviewers highlight its comfortable 38mm case and a 60-hour power reserve. The Miyota 8315 movement is noted as less robust than premium options. On balance, owners and reviewers rate the Sternglas Lumatik highly for its fun design and distinctive lume at its price point.

From video reviewers

The dual-tone Luminova is a standout feature. The Bauhaus design positions it as a strong contender under $500.

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.

At a glance

14 of 29 specs differ
Diameter
Lumatik38mm
Field III GMT Date40mm
Power Reserve
Lumatik60h
Field III GMT Date41h
Water Resistance
Lumatik50m
Field III GMT Date200m
MSRP
Lumatik$539
Field III GMT Date$459

Full specifications

Case

6 specs
Category
Sport
GMT
Diameter
38mm
40mm
Thickness
12mm
14mm
Lug-to-Lug
43mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Yes
Dial Color
Black
Lume
Luminova weiß und orange
Super-LumiNova

Movement

4 specs
Caliber
Miyota 8315
Seiko NH38
Power Reserve
60h
41h
Jewels
0
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$539
$459
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