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:

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

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