Casio Frogman Depth Sensor JDM (GWF-D1000-1JF, Frogman Depth). Current Prices, JDM Listings, Market Analysis
The Casio Frogman Depth Sensor JDM, reference GWF-D1000-1JF, is the Japan-domestic variant of Casio's professional dive computer watch built around an integrated depth sensor. It sits at the serious end of Casio's G-Shock lineup, targeting divers who want ISO-rated water resistance alongside actual depth measurement rather than a standard dive watch aesthetic. Tonbo tracks this model because the JDM version consistently surfaces in Japan at prices that differ from what US buyers pay, creating a window for informed sourcing. At present the US market places this watch in the $800 range, making it one of the higher-value G-Shock targets worth watching actively.
Current US Market Value
The current US median price for the Casio Frogman Depth Sensor JDM GWF-D1000-1JF is $800, based on a sample of five verified transactions. The interquartile range runs from $649 at the 25th percentile to $918 at the 75th percentile, which is a relatively wide spread for a five-unit sample. That spread reflects both condition variance across listings and the thin transaction volume that is normal for a JDM-only reference in the US secondary market. The comp quality is rated 🟢 Verified comps, meaning Tonbo's sourcing methodology confirmed these as genuine closed sales rather than asking prices. With only five data points, the median should be read as a reasonable directional benchmark rather than a high-confidence fixed value. As more transactions accumulate, that range will tighten. Anyone researching GWF-D1000-1JF price history should treat the current figures as a starting orientation and monitor for updates.
Active JDM Listings
Japan listings for the GWF-D1000-1JF have been quiet over the past two weeks, with one recent appearance noted as of late May. That single listing suggests the model moves slowly in the Japanese secondary market, which is consistent with a specialized dive instrument rather than a high-volume collector target. Here is what the current Japan data shows:
- One listing appeared on May 24 on a Japanese platform, priced at ¥149,000
- Condition details for the May 24 listing were not specified in available data
- No additional GWF-D1000-1JF listings have appeared in the prior 14-day window
- At ¥149,000, the Japan ask translates to roughly $970 to $990 USD at current exchange rates, sitting above the US median
- Low listing frequency on the Japan side means GWF-D1000-1JF for sale opportunities require patience and alert-based sourcing
Full listing links are available to Tonbo subscribers. The platform name for active JDM sourcing is accessible through the Tonbo deals feed.
Recent Alert History
No strict buy alerts or opportunity-tier signals have fired for the Casio Frogman Depth Sensor JDM GWF-D1000-1JF in the past 90 days. This is not unusual for a model with low transaction frequency on both sides of the market. It means no listing has cleared the thresholds Tonbo uses to flag a genuine pricing dislocation. When a model is thinly traded, the absence of alerts is informative rather than discouraging. It tells you the market has not presented a clearly mispriced unit recently. The right move is to set a live alert and wait rather than chase the one visible Japan listing at ¥149,000, which at current rates does not represent an obvious entry point.
Japan vs. US Price Gap
The US-Japan price gap on the GWF-D1000-1JF is less predictable than on higher-volume G-Shock references because both markets see infrequent listings, meaning any single appearance can skew perceived value in either direction. When Japan inventory does appear at below-median prices, the window to buy JDM Japan closes quickly given collector awareness of this reference. The primary risk factor here is comp thinness. A five-unit US sample means that one or two outlier sales can move the stated median materially, and a buyer using that median to evaluate an import opportunity should account for the possibility that condition differences between the Japan listing and the US comps are doing a lot of work. Standard JDM sourcing risks around import costs, domestic warranty status, and Japanese-language documentation also apply, as noted in the model's risk profile.
Buyers tracking live price signals for this reference will be better positioned than those checking static listings manually, given how rarely GWF-D1000-1JF inventory surfaces at actionable prices.
Get Real-Time Alerts for Casio Frogman Depth Sensor JDM
If the GWF-D1000-1JF is on your list, passive monitoring is not a reliable strategy given how infrequently it appears. Tonbo's alert system flags verified pricing anomalies for JDM models including the Casio Frogman Depth Sensor JDM the moment they meet threshold criteria. Subscriber tiers and alert options are outlined at tonbomarket.com/pricing. If you want to get a sense of how Tonbo tracks the broader JDM market before committing, the free newsletter at tonbomarket.com covers market movement across tracked references on a regular cadence.