

Seiko Marine Master 300M “Tuna” SBBN031
Seiko Marine Master 300M “Tuna” SBBN031 was a japan market watch that was a hit. The 48mm case wears surprisingly well with the practically non existent lugs. Coming with bracelet and rubber strap this watch is a great diver for under $1500.
Information:
Seiko Marine Master 300M “Tuna” SBBN031
Reference: SBBN031
Dated: 2022
Bezel Aligns
Dial: Black
Bracelet: Stainless Steel and Black Rubber Strap
Case Size: 48mm x 14.7mm Thickness
Lug Width: 22mm
Case Metal: Stainless Steel
Movement: Quartz
Functions: Hours, Minutes, Second, Date, Day
Box and Papers: Box and Papers
Crystal: Double Domed Hardlex (Scratched)
Bracelet size: 8”
Caliber: Seiko 7C46







