/ / / Seiko Prospex Marinemaster - Darth Tuna NWW 2196

Seiko Seiko Prospex Marinemaster - Darth Tuna NWW 2196

Seiko Prospex Marinemaster - Darth Tuna

Mint and barely used looking condition Seiko Marinemaster nicknamed Darth Tuna reference SBBN013 . This is a Japan only market model so difficult to get elsewhere in the world. Seiko Tuna is the name given to Seikos range of watches designed for scuba and professional diving. In particular. Seiko made these watches with saturation diving or greater depth diving in mind. All of the watches in the Seiko Tuna range are characterized by protective screwed on shrouds that have earned them the nickname of Tuna. This in addition to the special gaskets could not allow helium to enter the watch and therefore no need for a helium escape valve for saturation diving. This presented a unique and robust professional divers watch.

Features Screw Down Crown, 7C46 Quartz Caliber, and Ceramic Unidirectional Rotating Bezel.

Titanium Case with Hard Coating
One-piece Construction
Polyurethane Strap
Sapphire Crystal
7C46 Quartz Caliber
Screw Down Crown
5 Year Battery Life
Accuracy of +/-15 Seconds per Month
Water Resistant to 100 Bar / 1000m
Designed for Saturation Diving
LumiBrite Paint on Hands and Markers (Retains Light for 3 to 5 Hours)
Second-hand Stop Function
Resistant to Magnetic Interference
Day/Date Display
48mm Case Diameter
15.4mm Case Thickness
22mm Band Width
Weight 114g

Key Characteristics

Brand: Seiko
Band: Rubber Strap
Case Material: Black Steel
Condition: Mint
Movement: Quartz
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