Seiko Marine Master Tuna Quartz SBBN049 (JDM ver.)

Product Description

The Prospex Marine Master Tuna Can Scuba Diver is a formidable timepiece designed to meet the rigorous demands of professional divers. As part of Seiko's esteemed Prospex line, renowned for its high-performance dive watches, the S23633J1 (or Japan domestic market version as SBBN049) combines robust construction, precise timekeeping, and exceptional water resistance, making it a trusted companion for underwater exploration.

Specifications:

• Movement Type: Quartz
• Calibre Number: 7C46 
• Collection: Prospex Marine Master
• Accuracy: ±15 seconds per month
• Style: Professional Diver
• Case Material: Stainless steel (super hard coating)
• Case Colour: Silver
• Strap Material: Stainless steel
• Strap Colour: Silver
• Dial Type: Analog
• Dial Colour: Black
• Glass Type: Sapphire crystal withAnti-reflective coating on inner surface
• Water Resistance: 300 m
• Size: 14.1mm x 47.7mm x 46.7mm
• Weight: 200g
• Ref.: S23633 / S23633J1 / S23633J / SBBN049 (Japan Domestic Market version)
• Other features: Power Reserve 5 Years, Three-fold clasp with secure lock & push-button release, solid & slide adjuster, Lumibrite on hands and indexes, Day and Date Display (in both English and Japanese Kanji), Unidirectional rotating bezel, Screw case back

At the heart of the S23633 is a durable stainless steel case with Seiko's signature Tuna can design, providing unparalleled protection for the watch's movement against the pressures of deep-sea diving. The 47mm case diameter ensures excellent legibility and presence on the wrist, while the serrated bezel allows for easy grip and operation, even with diving gloves.

Equipped with a reliable quartz movement, the S23633 / SBBN049 offers precise timekeeping essential for professional diving activities. The watch boasts an impressive water resistance rating of 300 meters, exceeding the ISO 6425 standard for dive watches, ensuring its reliability even in the most challenging underwater environments. The dial is designed for optimal readability, featuring large luminescent markers and hands that provide excellent visibility in low-light conditions. The date window at the 3 o'clock position adds practicality to the watch, while the anti-reflective coating on the sapphire crystal ensures clarity and durability.

In summary, the Marine Master Professional Diver Tuna embodies the essence of Seiko's commitment to excellence in dive watch manufacturing. With its rugged construction, precise timekeeping, and exceptional water resistance, the S23633 / SBBN049 is a reliable and trusted companion for professional divers, offering both style and functionality in the depths of the ocean.