Description
Design Architecture
Case Engineering
The AK2268SS-20’s case represents a pinnacle of precision engineering:
- Case Material: Marine-grade 316L stainless steel with enhanced corrosion resistance
- Surface Treatment: Multi-stage polishing process with alternating brushed and high-polish sections
- Case Construction: Monobloc design with integrated lugs for superior structural integrity
- Dimensional Specifications:
- Case Diameter: 40mm
- Lug-to-Lug Distance: 46mm
- Case Thickness: 11mm
- Lug Width: 20mm
Crown Mechanics
The crown system features:
- Thread pitch: 0.5mm for smooth operation
- Triple gasket system:
- Crown tube gasket
- Stem gasket
- Case back gasket
- Knurling pattern: 0.2mm deep grooves for optimal grip
Crystal Specifications
The watch face protection system includes:
- Material: Hardened mineral crystal
- Thickness: 1.2mm
- Hardness: 7 on Mohs scale
- Treatment: Anti-reflective coating on inner surface
Movement Technology
Core Movement Specifications
The Japanese quartz movement features:
- Caliber Type: Standard quartz with date complication
- Accuracy: ±15 seconds per month at normal temperature range (5°C to 35°C)
- Power Source: SR626SW silver oxide battery
- Battery Life: 36 months under normal usage conditions
- Operating Temperature Range: -5°C to +50°C
Timekeeping Functions
Advanced timekeeping features include:
- Central Hours, Minutes, and Seconds hands
- Date Window:
- Quick-set mechanism
- Calendar advancement: 23:45 to 00:15
- Anti-backflow protection
- Hand Movement:
- Second hand: 1-beat-per-second stepping
- Minute hand: Continuous micro-stepping
- Hour hand: Synchronized with minute hand
Bracelet Engineering
Link Construction
The bracelet demonstrates sophisticated engineering:
- Material: Matched 316L stainless steel
- Link Design:
- Three-piece construction
- Solid center links
- Push-pin connection system
- Dimensions:
- Width at lugs: 20mm
- Taper to clasp: 18mm
- Link thickness: 3.2mm
Clasp Mechanism
The security system features:
- Double-push button deployment system
- Four-position micro-adjustment: 2mm per position
- Safety catch with 0.8mm engagement depth
- Milled clasp components for improved durability
Environmental Specifications
Water Resistance
The watch meets specific water resistance standards:
- Rating: 3 ATM / 30 meters
- Pressure Tested:
- Static pressure: 3 bar
- Dynamic pressure: 2.5 bar
- Gasket System:
- Case back: 0.8mm nitrile rubber
- Crystal: 0.6mm synthetic rubber
- Crown: Triple-gasket configuration
Durability Parameters
The watch is tested for:
- Shock Resistance: Meets ISO 1413 standards
- Magnetic Resistance: 4,800 A/m
- Chemical Resistance: Resistant to common cosmetics and mild cleaning agents
- UV Stability: Tested for color fastness under prolonged UV exposure
Maintenance Protocols
Regular Service Requirements
Recommended maintenance schedule:
- Battery Replacement:
- Interval: Every 30-36 months
- Professional service required
- Pressure testing post-replacement
- Water Resistance Testing:
- Annual verification
- Complete gasket inspection
- Pressure chamber testing
- Movement Service:
- Inspection every 3-5 years
- Lubrication check
- Timing regulation if needed
Daily Care Instructions
For optimal performance:
- Cleaning: Use ultrasonic cleaning for bracelet every 6 months
- Storage: Keep in cool, dry environment when not in use
- Temperature Exposure: Avoid extreme temperatures (-10°C to +60°C)
- Impact Protection: Store separately from other jewelry to prevent scratching
Quality Assurance
Each watch undergoes rigorous testing:
- Timekeeping accuracy verification: 72-hour testing period
- Water resistance: Double testing protocol
- Case and bracelet: 100% visual inspection
- Function testing: All complications verified
Warranty Coverage
The manufacturer warranty includes:
- Duration: 24 months from purchase date
- Coverage: Manufacturing defects and material failures
- Service Network: International service centers
- Documentation: Warranty card with unique serial number