Seiko Pogue Pepsi (1969-1978) (6139-6005, Pogue Pepsi). Current Prices, JDM Listings, Market Analysis

The Seiko 6139-6005 is one of the most culturally significant chronographs in Japanese watchmaking history, known widely as the Pogue Pepsi for its red-and-blue bezel and its connection to NASA astronaut William Pogue, who wore one aboard Skylab in 1973. It holds the distinction of being among the first automatic chronographs ever produced, a fact that keeps collector interest consistently high decades after production ended. Tonbo tracks this reference because it surfaces regularly across Japanese platforms at prices that can differ meaningfully from US retail expectations. The current US median sits at $780, though that figure comes with important caveats worth understanding before you act on it.

Current US Market Value

The Seiko Pogue Pepsi 6139-6005 price in the US currently tracks to a median of $780 based on available comp data. That said, this estimate rests on a sample size of one operator-verified transaction, which means the figure should be treated as a directional reference rather than a settled market price. The comp quality rating for this model is 🟠 Estimate only, which Tonbo uses to flag references where the data is too thin to support high-confidence pricing decisions. Condition variance on vintage Seiko chronographs is wide, dials fade and case finishing wears in ways that affect value significantly, so the true range on any given example could sit well above or below that median. Anyone seriously researching 6139-6005 price history should treat $780 as a starting point for due diligence, not a floor or ceiling.

Active JDM Listings

Japanese market activity for the Seiko Pogue Pepsi has been consistent over the past two weeks, with multiple listings appearing across several platforms. The cluster of listings shows a clear split between examples priced at ¥150,000 and at least one lower-priced listing where condition is unconfirmed. At current exchange rates, ¥150,000 converts to roughly $990-$1,010 depending on the day, which actually puts certain JP listings above the US median estimate rather than below it. The ¥86,000 Mercari listing is the outlier worth watching, though the unknown condition grade introduces real uncertainty.

• May 24, Yahoo Japan Auctions: ¥150,000, condition graded excellent
• May 23, Yahoo Shop: ¥150,000, condition graded excellent
• May 23, Mercari: ¥86,000, condition unknown
• May 21, Mercari: ¥150,000, condition graded excellent

If you are actively looking for a 6139-6005 for sale in Japan, the current picture suggests excellent-grade examples are being priced consistently at the ¥150,000 level across multiple venues, while the lower-priced listing carries condition risk that the data does not resolve.

Recent Alert History

No strict-buy or opportunity-tier alerts have fired for the Seiko Pogue Pepsi 6139-6005 in the past 90 days. This can reflect a few different dynamics. It may mean the JDM listings appearing have not crossed the threshold for a compelling arbitrage signal relative to the US price estimate, or it may reflect the thin comp data making it harder to establish a reliable spread. Either way, the absence of alerts is an honest read from the data. You can track the full alert history for this and other references at tonbomarket.com/signals.

Japan vs. US Price Gap

The appeal of buying 6139-6005 from Japan has historically rested on the watch's domestic abundance, Seiko produced the 6139 series in large numbers for the Japanese home market, which means examples surface frequently even now. However, the current JDM listings at ¥150,000 do not present an obvious price advantage over a US median of $780 once import duties, shipping, and buyer fees are factored in. The ¥86,000 Mercari listing is closer to the territory where arbitrage math starts to work, but unknown condition is a genuine problem with vintage chronographs where a faded dial or damaged pusher can halve the resale value. The main risk factor here is comp thinness on the US side combined with high condition sensitivity, a combination that makes it easy to overpay on an undergraded piece. Deals worth acting on do appear, and you can browse current candidates at tonbomarket.com/deals.

Get Real-Time Alerts for Seiko Pogue Pepsi (1969-1978)

If you want to be notified when a well-priced Seiko Pogue Pepsi 6139-6005 appears in Japan before it sells, Tonbo's alert system monitors JDM platforms continuously and flags listings that meet defined price and condition thresholds. You can review alert tiers and set your preferences at tonbomarket.com/pricing. For a free look at how the service works, the Tonbo newsletter at tonbomarket.com covers notable JDM activity and market movement across tracked references on a regular basis.