conus
digital
quartz

Seiko SBBN031 Tuna, Full Kit, Very good condition, CONUS only, $825

Seiko SBBN031

By Rocat Sept. 27, 2020, 5:16 a.m. on WatchUSeek

$825

conus

FS: SEIKO TUNA SBBN031 (Basically NEW) $900US FIRM

Seiko SBBN031

By picklepossy Sept. 20, 2020, 7:30 p.m. on WatchUSeek

$900

conus

FS: Seiko SBBN031 300m Marine Master Tuna

Seiko SBBN031

By Shaunie_007 Sept. 15, 2020, 11:34 p.m. on WatchUSeek

$900

quartz
conus

FS: Seiko Tuna Marine Master Professional 300M Diver Quartz SBBN031 Complete Set

Seiko SBBN031

By cryshann001 Sept. 6, 2020, 12:03 a.m. on Rolex Forums

$900

conus

Seiko SBBN031 Marinemaster Tuna

Seiko SBBN031

By mtbluger Aug. 22, 2020, 2:52 p.m. on WatchUSeek

$750

FS: Minty Seiko Tuna SBBN031

Seiko SBBN031

By beefsupreme Aug. 15, 2020, 6:30 p.m. on WatchUSeek

$850

conus

FS: Seiko Tuna SBBN031 **Mint**

Seiko SBBN031

By AcsFoolMike Aug. 7, 2020, 3:15 p.m. on WatchUSeek

$875

rare
conus

FS: Seiko Tuna - Marine Master Professional 300M SBBN031

Seiko SBBN031

By fnhpwr1 July 26, 2020, 9:17 p.m. on WatchUSeek

$860

FS: Seiko SBBN031 Tuna

Seiko SBBN031

By basso4735 July 21, 2020, 7:35 p.m. on WatchUSeek

$850

conus
sold

SOLD: Seiko Tuna SBBN031

Seiko SBBN031

By AcsFoolMike July 16, 2020, 6:18 p.m. on WatchUSeek

$850

FS: Seiko SBBN031 Tuna

Seiko SBBN031

By danshort July 10, 2020, 12:33 p.m. on WatchUSeek

$775

sold
conus

***SOLD*** Seiko SBBN031 Tuna Mint with Extras

Seiko SBBN031

By hooliganjrs July 5, 2020, 5:38 p.m. on WatchUSeek

$850

quartz
conus

FS: Seiko Tuna SBBN031 $800 OBO

Seiko SBBN031

By dboulders June 18, 2020, 4:03 p.m. on WatchUSeek

$800

conus

FS: SBBN031 Seiko Tuna (Mint) - REDUCED

Seiko SBBN031

By smalls June 14, 2020, 2:32 p.m. on WatchUSeek

$875

conus

FS: Seiko SBBN031 Black Bezel and Dial Marine Master Tuna

Seiko SBBN031

By Shaunie_007 June 1, 2020, 1:54 a.m. on WatchUSeek

$775

FS: Seiko SBBN031 "Tuna" Marine Master *MINT*

Seiko SBBN031

By AndrwTNT May 31, 2020, 1:32 a.m. on WatchUSeek

$1,015

quartz

FS: Seiko SBBN031 Marinemaster tuna 300m

Seiko SBBN031

By mattmartin May 19, 2020, 8:31 p.m. on WatchUSeek

$850

conus

FS: Seiko Marinemaster Blue SBDX025 / SLA023

Seiko SBBN031

By AcsFoolMike May 18, 2020, 6:03 p.m. on WatchUSeek

$1,900

conus

Seiko Tuna SBBN031 near mint

Seiko SBBN031

By mcharron April 26, 2020, 2:02 p.m. on WatchUSeek

$825

sold

FS: Seiko Tuna SBBN031 **SOLD**

Seiko SBBN031

By djpharoah April 26, 2020, 1:02 a.m. on WatchUSeek

$745

military

FS: Seiko Tuna Marinemaster SBBN031

Seiko SBBN031

By militaryfan April 24, 2020, 6:32 a.m. on WatchUSeek

$1,100

fsot

FSOT: Seiko Marinemaster Tuna SBBN031 - Mint, Full Set

Seiko SBBN031

By jpang68 April 20, 2020, 2:53 a.m. on WatchUSeek

$750

conus

FS: Seiko Tuna SBBN031

Seiko SBBN031

By AcsFoolMike April 6, 2020, 10:03 p.m. on WatchUSeek

$725

conus

FS ONLY: Seiko SBBN031 Tuna

Seiko SBBN031

By rcorreale March 14, 2020, 5:03 p.m. on WatchUSeek

$615

FS: Seiko Tuna SBBN031 (Europe deal)

Seiko SBBN031

By Seppia March 11, 2020, 10:48 a.m. on WatchUSeek

€675

quartz
conus

FS: MarineMaster Professional 300m quartz sbbn031 on stock bracelet - immaculate - conus only

Seiko SBBN031

By mattmartin Jan. 27, 2020, 1:03 p.m. on WatchUSeek

$845

conus

FS: Seiko Tuna SBBN031

Seiko SBBN031

By ahonobaka Jan. 22, 2020, 4:55 a.m. on WatchUSeek

$725

quartz

Seiko Tuna SBBN031 Quarz

Seiko SBBN031

By CarstenH Jan. 15, 2020, 3:18 p.m. on Uhrforum

€800

conus
quartz

FS: Seiko Marinemaster SBBN031

Seiko SBBN031

By lastshotkid Dec. 30, 2019, 9:32 p.m. on WatchUSeek

$950

quartz

Seiko "BigTuna" SBBN031 Marinemaster 300m, neuwertig, 30.09.2019, Garantie

Seiko SBBN031

By 2Fast4Ya Nov. 19, 2019, midnight on Uhrforum

€980

conus

FS: Seiko SBBN031 on Isofrane

Seiko SBBN031

By Ptern Nov. 12, 2019, 11:03 p.m. on WatchUSeek

$715

NEW SEIKO PROSPEX SBBN031 Marine Master Watch: FULL KIT (USA SELLER)

$1,399.97

Fixed Price

eBay (US)

SEIKO Marine Master Tuna Professional 300M Diver SBBN031 USED L003*us

$899.00

Fixed Price

eBay (US)

Seiko Prospex SBBN031 MARINE MASTER PROFESSIONAL 300m Diver's Watch - TUNA - NEW

$1,450.00

Fixed Price

eBay (US)

Seiko Prospex Marine Master SBBN031 7C46-0AG0 Diver Titanium Quartz Men's Watch

$1,150.00

Fixed Price

eBay (US)

SEIKO PROSPEX SBBN031 Marine Master Professional Tuna Diver's 300m Men's Watch

$1,069.99

Fixed Price

eBay (US)

SBBN031

Seiko

NEW SEIKO PROSPEX SBBN031 Marine Master Watch: FULL KIT (USA SELLER)

SEIKO Marine Master Tuna Professional 300M Diver SBBN031 USED L003*us

Seiko Prospex SBBN031 MARINE MASTER PROFESSIONAL 300m Diver's Watch - TUNA - NEW

Seiko Prospex Marine Master SBBN031 7C46-0AG0 Diver Titanium Quartz Men's Watch

SEIKO PROSPEX SBBN031 Marine Master Professional Tuna Diver's 300m Men's Watch

Right Now on eBay