Thumbnail Seiko Prospex Automatic Sumo SBDC177 Gradient Grey Dial 1

Thumbnail Seiko Prospex Automatic Sumo SBDC177 Gradient Grey Dial 2

Thumbnail Seiko Prospex Automatic Sumo SBDC177 Gradient Grey Dial 3

Thumbnail Seiko Prospex Automatic Sumo SBDC177 Gradient Grey Dial 4

Thumbnail Seiko Prospex Automatic Sumo SBDC177 Gradient Grey Dial 5

Thumbnail Seiko Prospex Automatic Sumo SBDC177 Gradient Grey Dial 6

Thumbnail Seiko Prospex Automatic Sumo SBDC177 Gradient Grey Dial 7

Thumbnail Seiko Prospex Automatic Sumo SBDC177 Gradient Grey Dial 8

Thumbnail Seiko Prospex Automatic Sumo SBDC177 Gradient Grey Dial 9

Model:	Seiko Sumo	Last Scraped:	Nov. 23, 2024, 12:19 a.m.
Username:	Drummer1	Location:	Unknown
Email:	Unknown	Feedback:	4 Reviews (100% )

Up for sale is my rarely worn Seiko Sumo.
I originally purchased this from Gnomon Watches last year.
It is in excellent operational and cosmetic condition. The pictures will show the pristine condition since I only wore it a few times due to the many watches in my collection.
This watch comes with complete kit and the links, pins&collars I removed.
NEW REDUCED PRICE!!!

FEATURES

Gray-toned gradation dial that evokes the image of the sea reflected by the dawn's light

■The top model in the series nicknamed "SUMO," with an upgraded exterior and sophisticated design.
■The watch is equipped with a scratch-resistant, glossy ceramic bezel display plate and a high quality metal bracelet.
■Caliber No. 6R35
■Driving system : Mechanical, self-winding (with manual winding)
■Accuracy : +25 seconds to -15 seconds per day
■Duration : Approx. 70 hours at maximum winding
■Number of jewels : 24
■Functions
・Seconds hand stop function
・Calendar (date) function
■Case Material : Stainless steel
■Case Coating : Diamond Shield
■Case Size
・Thickness: 13.4mm
・Width: 45.0 mm
・Height : 52.6mm
■Glass Material : Sapphire
■Glass Coating : Internal anti-reflective coating
■Luminosity : Yes (hands, indexes, bezel)
■Central Closure : One-push Diver Extender System
■Arm circumference (maximum) : 195.0mm
■Water resistance : 200m
■Anti-magnetic : Yes
■Weight : 190.0g
■Other Features
・Screw back
・Unidirectional rotating bezel
・Screw-lock crown
・Double Lock Clasp
・Screw back cover
THIS IS VERY UNIQUE WATCH!!

Will make a perfect gift or a great addition to a WATCH collection.
In excellent pre-owned condition.
Please ask questions prior to purchase. This item ships USPS Priority mail.

Reputation and Feedback

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Drummer1 is an Awesome Buyer

Super smooth transaction with Drummer1. Great communication back and forth, reasonable offer and a quick no hassle payment allowed us to close and me to ship same day on a Saturday. Would deal with again.
By samanator March 24, 2020, 1:34 p.m. on WatchUSeek
Drummer1 is a great buyer

Easy transaction and very straight-forward. Prompt payment and good communication. I can't ask for more in a buyer and I'd do business with him again in the future.
By mdogg Nov. 20, 2019, 6:44 p.m. on WatchUSeek
A Pleasant Transaction with Drummer1

I had the pleasure of completing a deal with Dennis aka. Drummer1 here in the forum and couldn't be happier with the experience. I sent Dennis a PM replying to his WTB post for a Magma Rangeman which he responded to very promptly and I believe both of us were …
By Pee Dee July 16, 2019, 3:44 a.m. on WatchUSeek
Great Transaction with Drummer1

Sold Drummer1 my Casio Gulfmaster and it was a painless transaction. Attentive, asks the right questions, communicative, and a true appreciator of watches. Drummer1 is one of those people you want to do business with.
By GreatLakesWatch Jan. 29, 2019, 7:56 p.m. on WatchUSeek

Highest:	$950	Lowest:	$12
Median:	$457.50	Std. Dev:	±$181.45

Estimated Private Party Value $381 — $575


	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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