Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 1

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 2

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 3

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 4

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 5

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 6

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 7

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 8

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 9

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 10

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 11

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 12

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 13

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 14

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 15

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 16

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 17

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 18

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 19

Thumbnail [WTS] Seiko Prospex Marine Master Professional 1000M Emperor Tuna Automatic SBDX013 20

Model:	Seiko Tuna	Last Scraped:	Sept. 24, 2025, 12:17 a.m.
Username:	Full_Television8757	Location:	Unknown
Email:	[email protected]	Feedback:	No Reviews Found

Beast of a watch right here! Model: Prospex Marine Master Professional 1000M Ref. SBDX013 Case Material: Titanium with Hard Black Coating Case Dimensions: 52.4mm Bezel: Titanium with Hard Black Coating Dial: Black Dial Band Material: Seiko Black Rubber Strap Band Size: 8.5 in. Movement: Automatic, Mechanical. 8L35 Caliber Accessories: Watch Only Condition: Nice preowned condition with light scratches on the case and buckle Price: $1,795 shipped! Bank wire price, can take cards for an added cost. WA residents subject to sales tax Email: [email protected]

Reputation and Feedback

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The price of this watch is an outlier for this particular model and not included in the distribution. It may be miscategorized, incorrectly priced, or extremely unique.

Highest:	$1,745	Lowest:	$13
Median:	$347.50	Std. Dev:	±$402.19

Estimated Private Party Value $240 — $699


	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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