Thumbnail [WTS] Seiko Prospex SBDC091/SPB121 Alpinist - Green Dial – Excellent Condition - $425 Shipped (CONUS Only) 1

Thumbnail [WTS] Seiko Prospex SBDC091/SPB121 Alpinist - Green Dial – Excellent Condition - $425 Shipped (CONUS Only) 2

Thumbnail [WTS] Seiko Prospex SBDC091/SPB121 Alpinist - Green Dial – Excellent Condition - $425 Shipped (CONUS Only) 3

Thumbnail [WTS] Seiko Prospex SBDC091/SPB121 Alpinist - Green Dial – Excellent Condition - $425 Shipped (CONUS Only) 4

Thumbnail [WTS] Seiko Prospex SBDC091/SPB121 Alpinist - Green Dial – Excellent Condition - $425 Shipped (CONUS Only) 5

Thumbnail [WTS] Seiko Prospex SBDC091/SPB121 Alpinist - Green Dial – Excellent Condition - $425 Shipped (CONUS Only) 6

Thumbnail [WTS] Seiko Prospex SBDC091/SPB121 Alpinist - Green Dial – Excellent Condition - $425 Shipped (CONUS Only) 7

Thumbnail [WTS] Seiko Prospex SBDC091/SPB121 Alpinist - Green Dial – Excellent Condition - $425 Shipped (CONUS Only) 8

Thumbnail [WTS] Seiko Prospex SBDC091/SPB121 Alpinist - Green Dial – Excellent Condition - $425 Shipped (CONUS Only) 9

Model:	Seiko Alpinist	Last Scraped:	April 7, 2025, 6:47 p.m.
Username:	LukeBD	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

**Timestamp:** [https://imgur.com/HXnFhPT](https://imgur.com/HXnFhPT) Up for sale is my Seiko Prospex SBDC091. It's the JDM version of SPB121, and it is in excellent condition. This is a fantastic everyday watch with a stunning green sunburst dial, compass bezel, and reliable 6R35 movement with a 70-hour power reserve. **Specs & Condition:** * **Model:** Seiko Prospex SBDC091/SPB121 Alpinist * **Condition:** Excellent (Minor visible marks or scratches—see photos) * **Movement:** Seiko 6R35 Automatic (hacking & hand-winding) * **Case Size:** 39.5mm * **Lug-to-Lug:** 46.4mm * **Strap:** Original brown leather strap with deployant clasp * **Water Resistance:** 200m * **Crystal:** Sapphire * **Includes:** Full kit (box, papers) **Album:** [https://imgur.com/a/9OEQrhL](https://imgur.com/a/9OEQrhL) **Web:** [Https://seikousa.com/products/spb121?srsltid=AfmBOorPDMHt2jROKzGwh2iakLFuoJ-Bq1Q-DT63VUwsUUjSCeqx1vC4](Https://seikousa.com/products/spb121?srsltid=AfmBOorPDMHt2jROKzGwh2iakLFuoJ-Bq1Q-DT63VUwsUUjSCeqx1vC4) **Price & Shipping:** * **$425** **shipped** within **CONUS only** (Venmo G&S + fees covered by buyer) **Trades:** Not looking for trades at the moment. Let me know if you have any questions or need additional photos. Thanks for looking!

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Highest:	$1,450	Lowest:	$1
Median:	$665.00	Std. Dev:	±$262.83

Estimated Private Party Value $499 — $880


	Established:	1881
	Website:	http://seikousa.com/index.php
	Country of Origin:	Japan

The company was founded in 1881, when Kintarō Hattori opened a watch and jewelry shop called "K. Hattori" (服部時計店 Hattori Tokeiten?) in the Ginza area of Tokyo, Japan. Eleven years later, in 1892, he began to produce clocks under the name Seikosha (精工舎 Seikōsha?), meaning roughly "House of Exquisite Workmanship". According to Seiko's official company history, titled "A Journey In Time: The Remarkable Story of Seiko" (2003), Seiko is a Japanese word meaning "exquisite" or "success" ("exquisite" is usually written 精巧 from Chinese jīngqiǎo, while the meaning "success" is usually written 成功 from Chinese chénggōng).

Seiko is perhaps best known for its wristwatches, all of which were at one time produced entirely in-house. This includes not only major items such as microgears, motors, hands, crystal oscillators, batteries, sensors, LCDs but also minor items such as the oils used in lubricating the watches and the luminous compounds used on the hands and the dials.

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