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General| Movement | Spring Drive |
|---|---|
| Power Reserve | Typically 72 hours (3 days), but varies by model |
| Accuracy | ±15 seconds per month (±1 second per day) |
| Case Material | Stainless steel, titanium, or Precious metals (depending on the model) |
| Crystal | Sapphire crystal (usually with anti-reflective coating) |
| Water Resistance | Typically 10 bar (100 meters) or greater, depending on the model |
| Bracelet/Strap | Stainless steel, titanium, leather |
| Dial | Various colors |
| Functions | Time, Date, Power reserve indicator |
Grand Seiko's history symbolizes the culmination of efforts and development aiming for better practical watches.
Explains the concept of a mechanical watch and its appeal.
Defines Spring Drive as a mechanical watch with quartz accuracy, powered by a mainspring.
Spring Drive accuracy is less influenced by temperature changes than mechanical watches due to a crystal oscillator.
Spring Drive accuracy is not affected by position, unlike mechanical watches with a balance.
Spring Drive offers superior impact resistance compared to mechanical watches.
Details overhaul frequency for mechanical vs. Spring Drive watches.
Stop wearing immediately if watch body or band shows corrosion or protruding pins.
Keep watch out of children's reach to prevent accidental swallowing or injury.
Warning about risks of injury or material damage if safety rules are not followed.
Lists places to avoid for watch storage to prevent damage.
Additional precautions regarding band adjustment, disassembly, and care.
Critical cautions for maintaining water resistance, including crown use and avoiding steam.
Warning against using direct faucet water due to pressure affecting water resistance.
Specific warnings for dive watches regarding saturation diving and operational limits.
Requirement for proper diving training and adherence to diving rules.
Specific warnings for advanced dive watches regarding saturation diving and depth limits.
General precautions to take before, during, and after diving.
Steps for inspecting the watch before engaging in diving activities.
Key instructions to follow while wearing the watch underwater during a dive.
Essential care procedures for the watch after diving to maintain its condition.
Explains the operation of normal and screw-down crowns.
Details the function and operation of the screw-down crown for security.
Information on the power reserve indicator and how it shows the mainspring's winding status.
Guide on interpreting the power reserve indicator for winding status.
Instructions for winding the watch both automatically and manually.
Caution regarding setting the date during specific hours to avoid malfunction.
Step-by-step guide for setting the watch's time and date.
Instructions for correcting the date for months with fewer than 31 days.
Advice for precise time setting to ensure optimal watch performance.
Instructions for adjusting the bracelet length using the slide adjuster mechanism.
Details on which parts of the watch are covered by the guarantee.
Lists conditions under which guarantee services are not provided free of charge.
Steps for submitting a watch for free repair services under warranty.
Additional information regarding repairs, parts, and service providers.
Care and maintenance advice for metallic watch bands.
Care and maintenance advice for leather watch bands.
Care and maintenance advice for silicone watch bands.
Information on potential skin reactions to watch bands.
Guidance on how to adjust band length for comfort.
A list of everyday items that can magnetize a watch.
Explanation of how the watch's internal mechanism is susceptible to magnetism.
Details on the properties and function of Lumibrite luminous paint.
Data illustrating Lumibrite's light emission under various conditions.
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