conus
lnib

LNIB Seiko Tuna SBBN031

Seiko SBBN031

By toomuchdamnrum Dec. 25, 2020, 2:15 p.m. on WatchUSeek

$850

conus

FS: Seiko Tuna SBBN031

Seiko SBBN031

By AcsFoolMike Dec. 21, 2020, 10:08 p.m. on WatchUSeek

$695

conus

Seiko Marinemaster SBBN031

Seiko SBBN031

By Noelandry Dec. 18, 2020, 2:41 a.m. on WatchUSeek

$825

conus

FS: Seiko Tuna SBBN031 *Mint*

Seiko SBBN031

By AcsFoolMike Dec. 11, 2020, 8:47 p.m. on WatchUSeek

$875

conus
quartz

FS: Seiko SBBN031 Marinemaster

Seiko SBBN031

By reeder1 Dec. 6, 2020, 12:10 a.m. on WatchUSeek

$850

conus
quartz

[WTS] Seiko Tuna (SBBN031) Marinemaster

Seiko SBBN031

By gdesantis7 Dec. 4, 2020, 11:49 p.m. on Reddit

$900

quartz

★★★ FS: SEIKO SBBN031 - Quartz 300M Tuna w/extra bracelet, black shroud, & screws -$875- ★★★

Seiko SBBN031

By NightOwl Nov. 17, 2020, 4:50 p.m. on WatchUSeek

$875

conus

FS: Seiko SBBN031 Tuna on OEM Bracelet - 10/2020 - Price Drop

Seiko SBBN031

By monsters Nov. 15, 2020, 7:34 p.m. on WatchUSeek

$850

quartz

Seiko "Tuna" Sbbn031, "Marinemaster 300m" , Stahlband, Neuwertig, gekauft 2020/08

Seiko SBBN031

By 2Fast4Ya Nov. 15, 2020, 7:27 p.m. on Uhrforum

conus

FS: SEIKO 300M SBBN031 MARINEMASTER (DISCONTINUED) (FANTASTIC CONDITION)

Seiko SBBN031

By WeirdGuy Nov. 14, 2020, 6:37 p.m. on WatchUSeek

$950

conus
sold

***SOLD!!!***FS: SEIKO 300M SBBN031 MARINEMASTER (DISCONTINUED) (FANTASTIC CONDITION)

Seiko SBBN031

By WeirdGuy Nov. 14, 2020, 6:37 p.m. on WatchUSeek

$950

sold
conus

SOLD: Seiko Tuna SBBN031 *Mint*

Seiko SBBN031

By AcsFoolMike Nov. 11, 2020, 1:46 p.m. on WatchUSeek

$775

conus

FS: Seiko SBBN031 300M Tuna 7C46 (Few Weeks Old)

Seiko SBBN031

By monsters Nov. 10, 2020, 6:25 p.m. on WatchUSeek

$900

lnib
conus

FS: LNIB Seiko SBBN031 300M Tuna 7C46

Seiko SBBN031

By monsters Nov. 10, 2020, 6:25 p.m. on WatchUSeek

$900

quartz

FS: Seiko SBBN031 Tuna= $800

Seiko SBBN031

By waterdude Nov. 10, 2020, 3:55 p.m. on WatchUSeek

$800

FS: Seiko Tuna SBBN031

Seiko SBBN031

By chillwill120 Nov. 9, 2020, 4:03 p.m. on WatchUSeek

$725

quartz
sold
conus

SOLD: SEIKO TUNA SBBN031 - MINT!

Seiko SBBN031

By rneiman3 Oct. 31, 2020, 8:50 p.m. on WatchUSeek

$825

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

Seiko Tuna Marine Master SBBN031

$995.00

Fixed Price

eBay (US)

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

$1,450.00

Fixed Price

eBay (US)

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

$1,399.97

Fixed Price

eBay (US)

Seiko SBBN031 Prospex Men Wristwatch Used

$949.00

Fixed Price

eBay (US)

Seiko Prospex SBBN031 Divers Box Marine Master Professional Quartz Mens Watch

$1,238.00

Fixed Price

eBay (US)

SBBN031

Seiko

Seiko Tuna Marine Master SBBN031

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

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

Seiko SBBN031 Prospex Men Wristwatch Used

Seiko Prospex SBBN031 Divers Box Marine Master Professional Quartz Mens Watch

Right Now on eBay