Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 1

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 2

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 3

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 4

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 5

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 6

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 7

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 8

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 9

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 10

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 11

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 12

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 13

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 14

Thumbnail [WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295 15

Model:	Seiko SBDC003	Last Scraped:	June 12, 2025, 3:17 p.m.
Username:	client42	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Timestamp: https://imgur.com/a/ZiMn7Qy For sale is a Seiko Prospex SBDC003 First Gen Blue Sumo Blumo Divers Automatic Watch Movement: 6R15 Mechanical (Automatic) Condition: Used Strap: Original bracelet sized to approximately 17.5 with no extra links Box: None Warranty card: None Manual: None Wear on crystal. Approximate measurements: Case diameter: 45mm (excluding crown) Lug width: 20mm Lug to lug: 52mm Thickness: 13.8mm Asking $295 USD including tracked shipping to US. UPS Expedited/Express, Canadian, and global shipping available at an additional cost. Payment via Wise, crypto, wire, e-Transfer (for Canadians), or PayPal Invoice (+3.9%). No trades and please comment before messaging.

First Posted:	4 months ago	# of Reposts:	28
Starting Price:	$175	Price Change:	69% higher

Hide Reposts (2)

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Price Change	2 months ago	[WTS] Seiko Prospex SBCB015 V145 Black Dial Divers 200M Solar Quartz Watch - $175	$175
Price Change	2 months ago	[WTS] Hamilton Jazzmaster H32211135 Black Dial Swiss Made Ladies Quartz Watch - $120	$120
Price Change	2 months ago	[WTS] Seiko Prospex SBCB015 V145 Black Dial Divers 200M Solar Quartz Watch - $175	$175
Price Change	2 months ago	[WTS] Hamilton Jazzmaster H32211135 Black Dial Swiss Made Ladies Quartz Watch - $120	$120
Price Change	2 months ago	[WTS] Seiko Prospex SBCB015 V145 Black Dial Divers 200M Solar Quartz Watch - $175	$175
Price Change	2 months ago	[WTS] Hamilton Jazzmaster H32211135 Black Dial Swiss Made Ladies Quartz Watch - $120	$120
Price Change	2 months ago	[WTS] Seiko Prospex SBCB015 V145 Black Dial Divers 200M Solar Quartz Watch - $175	$175
Price Change	2 months ago	[WTS] Hamilton Jazzmaster H32211135 Black Dial Swiss Made Ladies Quartz Watch - $120	$120
Price Change	1 month ago	[WTS] Seiko Prospex SBCB015 V145 Black Dial Divers 200M Solar Quartz Watch - $175	$175
Price Change	1 month ago	[WTS] Hamilton Jazzmaster H32211135 Black Dial Swiss Made Ladies Quartz Watch - $120	$120
Price Change	1 month ago	[WTS] Seiko Prospex SBCB015 V145 Black Dial Divers 200M Solar Quartz Watch - $175	$175
Price Change	1 month ago	[WTS] Hamilton Jazzmaster H32211135 Black Dial Swiss Made Ladies Quartz Watch - $120	$120
Price Change	1 month ago	[WTS] Seiko Prospex SBCB015 V145 Black Dial Divers 200M Solar Quartz Watch - $175	$175
Price Change	1 month ago	[WTS] Hamilton Jazzmaster H32211135 Black Dial Swiss Made Ladies Quartz Watch - $120	$120
Repost	2 weeks ago	[WTS] Hamilton Jazzmaster H32211135 Black Dial Swiss Made Ladies Quartz Watch - $120	$120
Price Change	2 weeks ago	[WTS] Seiko Prospex SBCB015 V145 Black Dial Divers 200M Solar Quartz Watch - $175	$175
Price Change	1 week ago	[WTS] Hamilton Jazzmaster H32211135 Black Dial Swiss Made Ladies Quartz Watch - $120	$120
Price Change	1 week ago	[WTS] Seiko Prospex SBCB015 V145 Black Dial Divers 200M Solar Quartz Watch - $175	$175
Price Change	1 week ago	[WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295	$295
Repost	2 days ago	[WTS] Seiko Prospex SBDC003 6R15 First Gen Blue Sumo Blumo Divers Automatic Watch - $295	$295

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	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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