Side by side

Casio GBM-2100AvsSpinnaker Croft Pioneer

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.

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.

Spinnaker Croft Pioneer

Owners widely praise the Spinnaker Croft Pioneer for its detailed workmanship and attractive dial tones that appear distinct in sunlight, with one owner reporting excellent timekeeping of zero gain or loss over two days. However, some owners report the watch keeping poor time, losing five minutes in a day, and find the crown difficult to spin. The leather strap is also noted as rigid. On balance, owners rate the Spinnaker Croft Pioneer highly for its unique aventurine dial and wrist presence at the $130 price point.

At a glance

15 of 29 specs differ
Diameter
GBM-2100A44.4mm
Croft Pioneer42mm
Power Reserve
GBM-2100A
Croft Pioneer
Water Resistance
GBM-2100A200m
Croft Pioneer100m
MSRP
GBM-2100A$280
Croft Pioneer$199

Full specifications

Case

8 specs
Category
Sport
Diver
Diameter
44.4mm
42mm
Thickness
11.9mm
12mm
Lug-to-Lug
49.3mm
47mm
Lug Width
20mm
Material
Bio-based Resin / Stainless steel
316L Stainless Steel
Finish
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
No
Dial Color
Silver
Grey

Movement

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

Pricing

1 specs
MSRP
$280
$199
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