Rotary Seamatic Automatic GMT Blue/Red Pepsi Bezel Black Dial Diver Watch (GS04378/95)
- Sale price
- R 8,760
- List price
- R 10,950
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The Rotary Seamatic GS04378/95 is a purpose-built automatic GMT dive watch that combines functional horological engineering with distinctive aesthetics. Powered by an automatic movement, this timepiece features a classic "Pepsi" bi-directional rotating bezel in blue and red, allowing dual-timezone tracking through its dedicated GMT hand tipped in red. The 42mm stainless steel case houses a matte black dial with applied luminous indices and sword-style hands, ensuring legibility in all conditions. Certified water-resistant to 300 metres (1000 feet), the Seamatic is protected by sapphire crystal and built to ISO 6425 dive watch standards.
At Cassims & Co., we are proud authorised retailers of ROTARY watches, offering the full Seamatic collection with complete manufacturer warranty and after-sales support. This GMT complication enables simultaneous tracking of home and local time zones—ideal for frequent travellers or those coordinating across international time differences. The 24-hour graduated inner chapter ring works in concert with the GMT hand to display the second timezone, while the rotating bezel provides additional elapsed-time functionality for dive or timing operations.
The 22mm black silicone strap features embossed "ROTARY" branding and is designed for comfort during extended wear, whether in the water or at the desk. At 14mm in height, the Seamatic maintains a wearable profile despite its robust construction. The watch presents as a true tool watch with contemporary refinement—a versatile companion for both professional diving and daily wear. Visit us at our Mall of the South boutique in Johannesburg to experience the build quality and wrist presence of this automatic GMT diver in person, or take advantage of our nationwide delivery service across South Africa.
Should you require strap adjustments, battery service for other timepieces, or routine maintenance in the future, our watch servicing and repairs team is equipped to support all your horological needs. The Rotary Seamatic GS04378/95 represents exceptional value in the automatic GMT segment, delivering Swiss-inspired complications and dive watch capability at an accessible price point.
Specifications
- Reference Number: GS04378/95
- Brand: Rotary
- Collection: Seamatic
- Movement: Automatic (self-winding mechanical)
- Complications: GMT (dual timezone), date display at 3 o'clock
- Case Material: Stainless steel
- Case Diameter: 42mm
- Case Height: 14mm (14.7mm as per retailer specification)
- Case Finish: Brushed and polished
- Bezel: Bi-directional rotating bezel with blue and red "Pepsi" aluminium insert, 24-hour graduated markings
- Crystal: Sapphire crystal with anti-reflective coating
- Dial Colour: Black matte
- Dial Markers: Applied luminous indices and rectangular markers
- Hands: Luminous sword-style hour and minute hands, red-tipped GMT hand, lollipop seconds hand
- Luminous Material: Super-LumiNova on hands and indices
- Water Resistance: 300 metres (1000 feet / 30 ATM)
- Crown: Screw-down crown
- Case Back: Screw-down solid case back
- Strap Type: Black silicone rubber strap with embossed "ROTARY" branding
- Strap Width: 22mm at lugs
- Buckle Type: Stainless steel tang buckle
- Functions: Hours, minutes, seconds, date, GMT (second timezone)
- Established: EST 1895 (noted on dial)
FAQ
Q: What is the GMT complication and how do I use it?
A: The GMT complication allows you to track two time zones simultaneously. The red-tipped GMT hand completes one full rotation every 24 hours and points to the 24-hour scale on the inner chapter ring, displaying your home time. The standard hour hand shows local time. You can also use the rotating bezel to track a third time zone by aligning it with the GMT hand.
Q: Is this watch suitable for actual diving?
A: Yes, the Rotary Seamatic GS04378/95 is water-resistant to 300 metres (1000 feet) and features a screw-down crown and solid case back, making it suitable for recreational scuba diving. It meets ISO 6425 dive watch standards with its rotating bezel, luminous markers, and robust construction.
Q: How often does an automatic watch need to be serviced?
A: Automatic movements typically require professional servicing every 3-5 years to ensure optimal performance and longevity. This includes cleaning, lubrication, and regulation of the movement. Cassims & Co. offers watch servicing and can arrange manufacturer service for your Rotary timepiece.
Q: Will the watch stop if I don't wear it daily?
A: As an automatic watch, the Seamatic is powered by wrist movement. If unworn, it will typically run for approximately 38-42 hours (the power reserve) before stopping. Simply wind it manually using the crown (approximately 30-40 turns) and reset the time before wearing again.
Q: Can I swim in a pool or ocean with this watch?
A: Absolutely. With 300-metre water resistance, this watch is designed for swimming, snorkelling, and diving. Always ensure the screw-down crown is fully tightened before water exposure, and rinse the watch with fresh water after ocean swimming to prevent salt buildup.
Q: Is the silicone strap comfortable for all-day wear?
A: Yes, the 22mm silicone strap is designed for comfort and durability. It is flexible, hypoallergenic, and resistant to water and sweat, making it ideal for both active use and daily wear. The embossed texture also helps with grip and ventilation.
Q: Does this watch come with the manufacturer's warranty?
A: Yes, when purchased from Cassims & Co., an authorised Rotary retailer, this watch includes a 2-year international Rotary warranty covering manufacturing defects in materials and workmanship. Registration with Rotary online extends the warranty by an additional 12 months.
Warranty
- Warranty Period: This Rotary Seamatic watch is covered by a 2-year international Rotary manufacturer warranty from the date of purchase when purchased from an authorised retailer such as Cassims & Co.
- Extended Warranty: Register your watch online with Rotary within 60 days of purchase to extend the warranty by an additional 12 months, for a total of 3 years of coverage.
- What Is Covered: The warranty covers manufacturing defects in materials and workmanship, including defects in the movement, case, dial, hands, and bracelet or strap under normal use conditions.
- What Is Not Covered: The warranty does not cover normal wear and tear, scratches, deterioration of plating or colouring, strap or bracelet wear, battery replacement (not applicable to automatic watches), damage caused by accident or misuse, water damage resulting from failure to ensure the crown was properly secured, damage from unauthorised repairs or modifications, or loss or theft of the watch.
- Water Resistance: Water resistance is not a permanent condition and may be affected by ageing of gaskets or accidental impact to the crown or crystal. Water resistance should be tested annually by an authorised service centre, particularly before any aquatic activities.
- Service Requirements: To maintain warranty validity, any servicing or repairs must be carried out by an authorised Rotary service centre or retailer. Cassims & Co. can arrange warranty service on your behalf.
- Proof of Purchase: The original purchase receipt or warranty card must be presented for any warranty claims. Keep these documents in a safe place.
- Authorised Retailer Guarantee: As an official authorised retailer of Rotary watches, Cassims & Co. guarantees the authenticity of this timepiece and provides full manufacturer warranty support and after-sales service.
Care Guide
- Water Resistance Maintenance: After exposure to salt water or chlorinated pools, rinse the watch with fresh water and dry with a soft cloth. Ensure the crown is fully screwed down before any water contact.
- Crown Operation: Always unscrew the crown gently before setting the time or winding. After adjustment, ensure the crown is fully screwed back down to maintain water resistance.
- Automatic Movement Care: If the watch has stopped, manually wind it approximately 30-40 turns clockwise before wearing. Avoid setting the date between 9 PM and 3 AM, as this is when the date mechanism is engaged and could be damaged.
- Magnetic Field Avoidance: Keep your watch away from strong magnetic fields (speakers, mobile phones, magnetic clasps) which can affect timekeeping accuracy. If magnetisation occurs, a professional watchmaker can demagnetise the movement.
- Bezel Care: The rotating bezel should turn smoothly. If resistance or grit is felt, rinse under fresh water and rotate several times to clear debris. Do not force the bezel if it becomes stuck.
- Crystal Protection: While sapphire crystal is highly scratch-resistant, avoid impacts against hard surfaces such as tile, concrete, or other watches.
- Strap Cleaning: Clean the silicone strap regularly with mild soap and water, especially after sports or sweaty activities. Allow to air dry completely.
- Storage: When not in use, store your watch in a cool, dry place away from direct sunlight. Consider using a watch winder if you have multiple automatic watches in rotation.
- Professional Servicing: Have your Rotary Seamatic serviced every 3-5 years by an authorised service centre to maintain optimal performance and preserve the warranty.