📝 Description

Description

SEIKO 6138-0010 Automatic Chronograph
“UFO / Big Chrono / Yachtman”

One of the most iconic vintage SEIKO chronographs, widely known by collectors as the “UFO” due to its unique case shape.

This model is part of the legendary 6138 series, featuring an automatic chronograph movement with manual winding capability.


â–  Product Details

  • Brand: SEIKO
  • Model: 6138-0010
  • Movement: Automatic (with manual winding)
  • Case Size: Approx. 44 mm
  • Lug Width: Approx. 20 mm
  • Dial Language: English Day-Date
  • Bracelet: Stainless Steel
  • Wrist Size: Fits up to approx. 18 cm

â–  Condition

  • Overhauled approximately 5 years ago
  • Used mainly for collection, not daily wear
  • Running confirmed (approx. 24 hours with hand winding & movement)
  • Accuracy: within ±1 minute per day

Shows typical vintage wear such as scratches
Please check all photos carefully for details


â–  Features / Highlights

  • Iconic “UFO” case design
  • Highly collectible 6138 automatic chronograph
  • Manual winding + automatic movement

Also known as:

  • UFO
  • Big Chronograph
  • Yachtman

These nicknames reflect its popularity among vintage watch enthusiasts worldwide.


â–  Note

  • No accessories included
  • Vintage item with signs of use
  • Please review all photos carefully before purchasing

We try our best to show the item’s condition through photos, but please understand that there may be small imperfections we might miss.

As these are pre-owned items, some may have a slight odor or be a bit out of shape.

Also, due to differences in lighting and monitor settings, the actual color may look slightly different from the pictures. Please check the photos carefully before purchasing!

⚠️ Notes

  • We only sell 100% authentic products.
  • Items shown in the photos (like dust bags or boxes) will be included, but may not be the original ones. We try to match the size as best as possible.
  • If you win multiple items within 5 days, we’re happy to combine shipping! We’ll adjust the invoice accordingly.
  • If you're bidding on other items, please let us know in advance. Also, if you'd like us to hold your item, be sure to request this before making payment.

🌍 Import Duties & Taxes

Import duties, taxes, and charges are not included in the item price or shipping cost. These fees are the buyer's responsibility.

Please check with your country’s customs office to determine what these additional costs will be before bidding or buying.

We do not mark items as gifts or declare lower values on customs forms. Doing so is against international laws.

đź’ł Payment

We accept eBay Payment only.

Please make your payment within 5 days of your purchase.

If payment is not received within 5 days, an unpaid item case may be opened automatically unless otherwise arranged.

đźšš Shipping

  • Ships from JAPAN
  • Carriers: FedEx / DHL / Japan Post
  • We only ship to the address registered with PayPal
  • Estimated delivery: 4–7 days to Asia & USA, 5–10 days to Europe
  • Delays may occur due to customs inspections, natural disasters, or postal strikes
  • We do not ship to APO/FPO/MPO (military) addresses in the U.S.

↩️ Return

We offer a 30-day return policy on all our items.

If you’re not satisfied, simply return the item in the same condition as you received it. Return shipping is the buyer’s responsibility.

Please note: customs duties, insurance, and handling fees are non-refundable.

Before starting a return, kindly send us a message through eBay so we can assist you properly.

To avoid any misunderstandings, please check the photos and description carefully before purchasing.

👤 About Us

We’re a licensed professional seller based in Japan, specializing in collector’s items and secondhand goods.

All items we sell are guaranteed authentic and pre-owned.

We keep photo records of all items before shipping. If any fraudulent activity such as item-swapping is detected, we will take strict action in accordance with policies and regulations.

đź“© Feel free to message us anytime if you have any questions!