This Seiko Marinemaster Tuna SBBN033 features a unique marinemaster treatment, keeping flawless time and coming with box, papers, and a rubber strap. Its 7c quartz movement is highly regarded.

• Condition: Pre-owned with minor cosmetic imperfections (hardlex crystal scuffs)
• Movement type: 7c quartz
• Band material: rubber

This is a Seiko Tuna MarineMaster 300m, a full set including inner and outer boxes, warranty, manual, and extra accessories.

• Condition: pre-owned with wear
• Water resistance: 300m
• Bracelet type: original with divers extension
• Bands included: litany of awesome bands

The Seiko Prospex Marinemaster Tuna SBBN033 is a high-torque quartz watch with 300m water resistance, featuring a unidirectional bezel and LumiBrite lume. It has a case size of 47.7mm and comes with an original rubber strap and box.

• Condition: Good /carefully worn condition
• Case Size: 47.7mm (wears smaller due to short lugs and shroud)
• Movement: Seiko 7C46 high-torque quartz
• Water Resistance: 300m WR

A Seiko Tuna Marine Master 300m, a full set including original boxes and warranty. Recently serviced with new battery.

• Condition: Pre-owned with wear (demonstrating wear at 6:00 on the shroud)
• Bracelet type: Original bracelet with divers extension
• Bands included: Multiple bands
• Case back gasket extra: Yes

A Seiko Tuna SBBN033 Marine Master in full set with boxes, papers, warranty, and manual. It was recently serviced and is running flawlessly.

• Condition: Pre-owned with wear (demonstrating wear on the shroud)
• Bracelet type: Original with divers extension
• Bands: Multiple
• Case condition: Overall good condition, crystal looks fantastic, bezel in excellent shape

Original owner with original box. Time is within +/- 2 spd.

• Condition: Very good shape physically, works great
• Case Material: Diashield coating
• Movement: Seiko caliber 7C46
• Water Resistance: 300m

This discontinued JDM Seiko Marine Master Professional 300M 'Tuna' is a large watch with a stainless steel case, dual curve hardlex crystal, and a caliber 7C46 quartz movement. It features a rotating bezel, screw-down crown and caseback, and Lumibrite on the hands and hour markers.

• Condition: Excellent pre-owned condition
• Case Diameter: 47.7mm
• Case Thickness: 14.7mm
• Weight: 125g

This Seiko SBBN033 Marinemaster Tuna is approximately 4 years old and has been well-maintained. It features extremely bright lume and keeps good time.

• Condition: Very good, light wear
• Age: 4 years old
• Bracelet: Strapcode endmill bracelet
• Clasp: Strapcode adjustable clasp