YACHT MASTER

SEIKO MOD WATCH SPECIFICATIONS

Built for precision and durability, each SeikoMod watch undergoes rigorous testing to ensure exceptional performance and craftsmanship.

Rigorous Standards

  • Water and Air Pressure Resistance: Up to 300M/1000FT
  • Movement Accuracy Tested: Using a timegrapher
  • Winding Durability Tested: With cyclotesting

Watch Specifications

  • Case: 40MM 904L Stainless Steel
  • Bracelet: 904L Stainless Steel
  • Glass: Sapphire Crystal (Scratch-Proof)
  • Insert: Ceramic (Scratch-Proof)
  • Bezel: Rotating 904L Stainless Steel
  • Hands & Dial: Standard Brass

Movement Details:

  • Type: Automatic Japan Movement
  • Caliber Number: NH35A (Seiko SII/TMI)
  • Jewels: 24
  • Accuracy: -10/+20 seconds per day
  • Power Reserve: 41 hours when fully wound
  • Shock System: Diashock
  • Hacking Function: Yes
  • Features: Hours, minutes, central seconds, and calendar

Wrist Size Guide (in inches)

  • Oyster Strap: Fits 8.06" to 6.12"
  • Jubilee Strap: Fits 8.36" to 7.28"
  • Rubber Strap: Fits 7.86" to 6.46"