Casio G-Shock GA-B2100 CasiOak vs Tissot Le Locle Powermatic 80
Casio's diver meets Tissot's dress watch
Quick Verdict
The Casio G-Shock GA-B2100 CasiOak (~$144) offers Casio Quartz (Solar-Powered) precision at $651 less than the Tissot Le Locle Powermatic 80 (~$795). The Le Locle Powermatic 80 counters with Swiss Made (Swatch Group) craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective price points.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Casio G-Shock GA-B2100 CasiOak | Tissot Le Locle Powermatic 80 |
|---|---|---|
| Price | ~$144 | ~$795 |
| Case Size | 44.4mm | 39.3mm |
| Movement | Quartz Module 5611 (Tough Solar + Bluetooth) | Powermatic 80.111 |
| Caliber Type | Casio Quartz (Solar-Powered) | ETA-Based Automatic |
| Power Reserve | — | 80 Hours |
| Water Resistance | 200m (20 ATM) | 30m (3 ATM) |
| Crystal | Mineral Glass | Sapphire Crystal |
| Case Material | Carbon Core Guard Resin | Stainless Steel |
| Origin | Made in Japan | Swiss Made (Swatch Group) |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Tissot's approach
Movement & Performance
Quartz Module 5611 (Tough Solar + Bluetooth) vs Powermatic 80.111
Wearability & Fit
44.4mm vs 39.3mm — different wrist presence
Value & Cost of Ownership
Casio is $651 more affordable
Water Resistance
200m (20 ATM) vs 30m (3 ATM)
Our Verdict
Casio
G-Shock GA-B2100 CasiOak
Choose the Casio G-Shock GA-B2100 CasiOak if you prioritize Casio Quartz (Solar-Powered) engineering, Made in Japan craftsmanship, and 200m (20 ATM) water resistance. At ~$144, it delivers Quartz Module 5611 (Tough Solar + Bluetooth) with solid power reserve.
Check Price on AmazonTissot
Le Locle Powermatic 80
Choose the Tissot Le Locle Powermatic 80 if you value ETA-Based Automatic technology, Swiss Made (Swatch Group) heritage, and 39.3mm proportions. At ~$795, the Powermatic 80.111 with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio G-Shock GA-B2100 CasiOak and Tissot Le Locle Powermatic 80 represent two distinct approaches to fine watchmaking — the Casio bringing Made in Japan tradition while Tissot delivers Swiss Made (Swatch Group) engineering.
Frequently Asked Questions
More Comparisons
Seiko Prospex Turtle vs G-Shock CasiOak
Mechanical dive heritage vs digital indestructibility
Tag Heuer Carrera Chronograph vs Casio G-Shock GA-B2100 CasiOak
Tag Heuer's chronograph meets Casio's diver
Tag Heuer Carrera Chronograph vs Tissot Le Locle Powermatic 80
Tag Heuer's chronograph meets Tissot's dress watch