Side by side

Casio GBM-2100AvsGeckota Pioneer Automatic

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.

Casio GBM-2100A

The premium stainless steel bezel and Bluetooth connectivity are highlighted strengths. The increased mass from the metal bezel is noted as a potential drawback for some wearers. Reviewers differ on its value proposition compared to other G-Shock models.

Geckota Pioneer Automatic

Owners widely praise the Geckota Pioneer Automatic for its retro-futuristic design, impressive lume, and unique dial finishing. The red dial variants are particularly favored for their brushed fumee appearance and vintage feel. Accuracy is noted as surprisingly good for an NH35 movement, though one owner reports +/- 20 seconds per day. The watch is considered a bargain by some at $259, while others find the $519 price for the NH35 movement in a 14mm thick case excessive. The 42mm cushion case is noted to wear large due to its lack of a prominent bezel. A minor phantom date position on the crown is reported, and the crystal is very reflective despite an anti-reflective coating. Some find the gold accents look a bit cheap, and one instance of a loose fleck of lume was observed. Overall, owners rate the Geckota Pioneer Automatic highly for its distinctive vintage aesthetic and value, particularly on sale.

From video reviewers

The radial brushed fumé dial and applied indices are a strong point. The 42mm case size and 48.4mm lug-to-lug measurement may wear large on smaller wrists. Reviewers did not explicitly disagree on any specific points.

At a glance

15 of 29 specs differ
Diameter
GBM-2100A44.4mm
Pioneer Automatic42mm
Power Reserve
GBM-2100A
Pioneer Automatic
Water Resistance
GBM-2100A200m
Pioneer Automatic100m
MSRP
GBM-2100A$280
Pioneer Automatic$299

Full specifications

Case

8 specs
Category
Sport
Field
Diameter
44.4mm
42mm
Thickness
11.9mm
14mm
Lug-to-Lug
49.3mm
45mm
Lug Width
22mm
Material
Bio-based Resin / Stainless steel
316L Stainless Steel
Finish
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Mineral
Domed Sapphire
AR Coating
No
Dial Color
Silver
Black

Movement

3 specs
Caliber
Seiko NH35
Type
Quartz
Automatic
Power Reserve
0h

Pricing

1 specs
MSRP
$280
$299
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