[Status]
・While there is some general signs of use, there are no noticeable scratches or stains, and it is in beautiful condition.
・The crystal glass surface has no noticeable scratches or stains, and visibility is good.
・Wrist circumference is approximately 19.0cm. (*No extra links included*)
・Protective film has been applied to the crystal.
*Please see the photos for reference.
[Accessories]
Everything shown in the photos.
[Product Information]
• Model: CASIO G-SHOCK GM-B2100BPC-1AJF.
• Series: FULL METAL 2100 Series.
• Nickname: “Black Orange Gradient” / “Full Metal CasiOak”.
• Type: Tough Solar Bluetooth Analog-Digital Watch.
• Release era: 2023.
• Market: Japanese Domestic Market (JDM) and International release.
• Module: 5691.
• Design inspiration: Released as part of the G-SHOCK 40th Anniversary Color Gradation collection. The black ion-plated full-metal exterior is paired with a striking orange-to-red gradient on the hands and indexes, inspired by the spectrum of light and the celebratory theme of the anniversary series.
Case & Build
• Case size: 49.8 × 44.4 × 12.8 mm.
• Weight: 165 g.
• Case material: Stainless steel with black ion plating.
• Bezel material: Stainless steel with black ion plating.
• Bracelet: Solid stainless-steel bracelet with black ion plating.
• Crystal: Mineral crystal.
• Construction: Shock Resistant.
• Water resistance: 200 m / 20 ATM.
• One-touch three-fold clasp.
• Screw-lock case back.
Design Concept
• Full-metal evolution of the popular GA-2100 “CasiOak” design.
• Black IP-coated exterior creates a stealthy appearance.
• Orange-to-red gradient indexes and hands provide a vivid contrast against the black dial.
• Octagonal bezel traces its heritage to the original DW-5000C.
• Hairline-finished bezel surfaces and mirror-polished chamfers enhance the premium metal texture.
• Celebrates G-SHOCK's 40th anniversary through a unique color-gradation theme.
Functions
• Tough Solar charging system.
• Bluetooth smartphone connectivity.
• Automatic time adjustment via CASIO Watches app.
• World Time (38 cities).
• 1/100-second stopwatch.
• Countdown timer.
• 5 daily alarms.
• Full auto calendar.
• Hand Shift feature.
• Dual LED Super Illuminator lighting.
• Phone Finder.
Power
• Movement: Solar Quartz.
• Module: 5691.
• Power source: Tough Solar rechargeable battery.
• Accuracy: ±15 seconds per month without synchronization.
• Bluetooth time synchronization.
• Power-saving mode.
• Maintenance-free solar-powered operation.
Key Highlights
• Full-metal black ion-plated “CasiOak” design.
• Exclusive orange-to-red gradient dial accents unique to the BPC model.
• Tough Solar charging eliminates routine battery changes.
• Bluetooth connectivity provides automatic time synchronization.
• Premium stainless-steel construction with refined finishing.
• 200 m water resistance suitable for swimming and outdoor activities.
• Highly collectible as part of the G-SHOCK 40th Anniversary Color Gradation series.
• Frequently regarded as one of the most visually striking GM-B2100 variants due to its stealth-black finish and fiery orange color scheme.
Many G-SHOCK enthusiasts consider the GM-B2100BPC-1AJF one of the most attractive Full Metal CasiOak releases because it combines premium all-metal construction, Tough Solar and Bluetooth technology, and a distinctive orange-gradient dial that stands out from the more common monochrome GM-B2100 models.