Up for sale is a Seiko Prospex “Baby Alpinist” (Ref. SPB155). The Baby Alpinist carries forward the legacy of Seiko’s original Alpinist line, which was first introduced in the 1950s as a reliable field watch for Japanese mountain climbers. This modern reinterpretation retains that spirit of exploration and everyday versatility while offering a more compact and wearable case size. With its refined green sunburst dial, classic cathedral hands, and rugged build quality, the SPB155 is an ideal GADA piece that blends heritage and modern Seiko craftsmanship effortlessly. **Condition:** * Overall: Great condition * Case: Minor hairlines on polished bezel, nothing deep or distracting * Bracelet: Light signs of wear consistent with careful use * Crystal: Pristine with no scratches or blemishes * Movement: Running smoothly and keeping good time at +9 secs/day (see Timegrapher pic) * Sizing: Sized for 6.75" wrist, includes all full links **What’s Included (Full Kit):** * Seiko inner and outer box * Undated Seiko warranty card (purchased May 2025, just under 3 years of warranty remaining) * Seiko hang tags * Original receipt * Microfiber cleaning cloth * Full bracelet with all links * Uncle Seiko clasp (installed for additional micro-adjustment) * Original unworn Seiko clasp included in box **Specifications:** * Model: Seiko Prospex “Baby Alpinist” * Reference: SPB155 * Case size: 38mm * Case thickness: 12.9mm * Lug-to-lug: 46mm * Case material: Stainless steel * Dial: Green textured dial with applied indices and cathedral hands * Crystal: Sapphire with inner anti-reflective coating * Movement: Seiko 6R35 automatic (70-hour power reserve) * Water resistance: 200m * Bracelet: Stainless steel with Uncle Seiko clasp + OEM Seiko clasp **Payment & Shipping:** * Asking $499 shipped, fully insured within CONUS * Payment via Zelle, Venmo, PayPal F&F, or PayPal G&S (buyer covers 3.5% fee) * Location: Orlando, FL (if local pickup preferred) [Timestamp](https://www.reddit.com/media?url=https%3A%2F%2Fpreview.redd.it%2Fwts-seiko-baby-alpinist-spb155-full-kit-v0-fvyrocoaf3yf1.jpg%3Fwidth%3D1080%26crop%3Dsmart%26auto%3Dwebp%26s%3Dd07b64d43f4e8c8f418dd4c6a44d7e056c91ec6a) [Timegrapher](https://www.reddit.com/media?url=https%3A%2F%2Fpreview.redd.it%2Fwts-seiko-baby-alpinist-spb155-full-kit-v0-uqhstdoaf3yf1.jpg%3Fwidth%3D1080%26crop%3Dsmart%26auto%3Dwebp%26s%3Dc6b65d58a22da2529165f1edb928a4a9c5d6da56) [WatchCharts Feedback](https://watchcharts.com/repcheck/reddit/thecolombianjesus/feedback) Feel free to message me with any questions or for additional photos!