Specifications:
- Case Diameter: 42.5mm
- Case Thickness: 13.4mm
- Weight: 170 grams
- Movement: 4R36 automatic
- 24 jewels
- Frequency of 21,600 vibrations per hour (6 beats per second)
- Power reserve of approximately 41 hours
- Hacking (seconds hand stops when the crown is pulled out)
- Hand-winding capability
- Water Resistance: 100 meters (10 bar)
- Crystal: Hardlex
- Case Material: Stainless steel
Modified Parts:
- Bezel insert: Yacht Master - Blue (steel insert)
- Hour and Minute Hands: Merc - Blue
- Second Hands: Merc - Blue
- Strap: Blue Rubber
- Crown: Polished Steel
Warning: This modified watch is not an official Seiko product as it includes non-original parts and custom modifications.