Seiko HDB009 5 Sports Field 41mm Brown Automatic Watch
HDB009
- 41mm case
- Rotating compass bezel
- Automatic — no battery required
Choose your dial
Seiko 5 Sports Field · 41 mm
Check availability and preparation timing with our team before ordering.
Includes 0–2 business days to prepare and 3–4 in transit. Engraving adds 1–2 days. Estimates exclude weekends and holidays; destination and carrier delays can affect timing. Delivery detailsThe Seiko HDB009 brings warm brown earth tones to the Seiko 5 Sports Field series. Its brown dial, rotating compass bezel and nylon strap with leather details create a coordinated look that works with casual clothing and outdoor layers.
Description
A 4R36 automatic movement provides self-winding convenience, manual winding and a stop-seconds function for setting the watch. The dial combines Arabic numerals, a 24-hour inner scale and a day/date window. LumiBrite on the hands and numerals helps keep time readable in low light.
The 41 mm case measures 48.5 mm from lug to lug and 13.2 mm thick; compare all three dimensions when considering fit. Curved Hardlex covers the dial, and the case is rated to 10 bar water resistance.
Specifications
- Movement: Automatic with manual winding, caliber 4R36
- Power reserve: Approximately 41 hours
- Display: Analog with day/date and 24-hour scale
- Case: Stainless steel, 41 mm diameter
- Case thickness: 13.2 mm
- Lug-to-lug: 48.5 mm
- Lug width: 20 mm
- Crystal: Curved Hardlex
- Dial: Brown
- Band: Brown nylon strap with leather details
- Bezel: Rotating compass bezel
- Visibility: LumiBrite hands and numerals
- Caseback: See-through screw caseback
- Water resistance: 10 bar / 100 meters
Is the 24-hour scale a GMT function?
No. This model has standard hour, minute and seconds hands plus day/date. The inner 24-hour scale is a reading aid; it does not provide an independently adjustable second time zone.
Browse Seiko 5 Sports watches or contact Watch Technicians for help choosing a watch.
Watch specifications
- Brand
- Seiko
- Model
- HDB009
- Movement
- Automatic (4R36) with manual winding
- Display
- Analog
- Case diameter
- 41 mm
- Crystal
- Curved Hardlex
- Dial color
- Brown
- Band material
- Brown nylon strap with leather details
- Water resistance
- 10 bar, 100 meters (330 feet)
- Power reserve
- Approximately 41 hours
Free Standard shipping: estimated 3–4 business days in transit. Express: $15, estimated 1–2 business days in transit. Regular in-stock orders normally ship from the same business day to two business days after purchase. Engraving adds 1–2 business days before shipment. Transit begins when the carrier receives your parcel. Available options and calculated carrier rates appear at checkout. We email tracking when your order ships. See our Shipping & Delivery Policy.
Request an eligible return within 30 days of delivery. Watch Technicians pays shipping for approved returns and emails a prepaid label through Shopify. Wait for approval and use our label. Watches must be unused, unworn, unsized, and complete with original materials. Start a return or exchange.
Engraved or otherwise personalized watches are final sale and are not eligible for returns, exchanges, or refunds for a change of mind. This does not limit remedies for items that arrive damaged, defective, or incorrect, or rights required by applicable law. Review the Return & Refund Policy.
Seiko watches include a 3-year warranty. Citizen watches include a 5-year limited warranty. Every watch is sold as authentic merchandise through Watch Technicians. Warranty terms for Timex and other brands follow the documentation included with the product.
Pickup availability is based on the selected variant and current store inventory. Eligible pickup locations and estimated readiness appear near the purchase buttons. We will notify you when the order is ready; please wait for confirmation before traveling to the store.
Engraving preparation: Allow 1–2 additional business days before shipping or pickup. Engraved or otherwise personalized watches are final sale and are not eligible for returns, exchanges, or refunds for a change of mind. This does not limit remedies for items that arrive damaged, defective, or incorrect, or rights required by applicable law. Review the Return & Refund Policy.
Questions about Seiko HDB009 5 Sports Field 41mm Brown Automatic Watch
How is the Seiko HDB009 5 Sports Field 41mm Brown Automatic Watch powered?
This is an automatic mechanical watch. Normal wrist movement winds a mainspring that powers the movement; it does not use a battery.
What if my Seiko HDB009 5 Sports Field 41mm Brown Automatic Watch stops when I do not wear it?
An automatic can stop when its mainspring runs down while unworn. Restart and set it using the instructions for its caliber. Some automatic movements support crown winding and others do not, so check the manual before winding. Regular wear helps maintain the stored energy.
What is the difference between automatic and Eco-Drive or Solar?
Automatic watches store mechanical energy in a mainspring wound by wrist movement. Citizen Eco-Drive and Seiko Solar watches store electrical energy collected from light in a rechargeable cell. Wearing an automatic helps wind it; exposing a light-powered watch to light helps charge it. They need different care and restart routines.
Does my Seiko HDB009 5 Sports Field 41mm Brown Automatic Watch need maintenance?
Yes. An automatic has moving mechanical parts and may need periodic servicing even though it has no battery. Check the manufacturer’s instructions for maintenance and movement accuracy. Contact our watch technicians if it repeatedly stops or runs unusually fast or slow after being properly wound.
What case size is the Seiko HDB009 5 Sports Field 41mm Brown Automatic Watch?
The listed case diameter is 41 mm. Compare this with a watch you already wear. Case shape, thickness and the distance across the lugs also affect fit; a wrist photo is a visual reference rather than a guarantee of how it will fit your wrist.
What is the power reserve of the Seiko HDB009 5 Sports Field 41mm Brown Automatic Watch?
The listed power reserve is Approximately 41 hours when fully wound. Actual running time depends on how fully the mainspring is wound and the movement’s condition.
What is the water-resistance rating of the Seiko HDB009 5 Sports Field 41mm Brown Automatic Watch?
The listed rating is 10 bar, 100 meters (330 feet). Use the manufacturer’s guidance for the activities suitable for this model, secure the crown before water contact and never operate it underwater. Gaskets can wear, so have water resistance checked before relying on it for swimming or diving.
How does the band on the Seiko HDB009 5 Sports Field 41mm Brown Automatic Watch fit?
The listed band is Brown nylon strap with leather details. Contact our watch technicians for help checking fit before purchase. A strap adjusts using its fastening holes or clasp. Its usable wrist range depends on the particular strap; ask us to check measurements if you are unsure.
What complimentary extras are included?
A protective travel case is included with a qualifying watch purchase. Engraving is optional and complimentary where the watch’s design permits it. Your brand’s warranty and local support details appear above.
Where can my message be engraved?
Your selected engraving placement is subject to review. Glass casebacks or the watch’s design may prevent engraving in that spot. If needed, we’ll contact you to approve a suitable alternative, such as the clasp or back of a lug, before engraving.
Engraving adds 1–2 business days before shipment or pickup. Personalized watches are final sale for change-of-mind returns; damaged, defective or incorrect items follow our refund policy. Return details