16 1/2”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Clone of Swiss ETA 6498-2, but many parts are not interchangeable
• Movement family:
  • Sea-Gull / Seagull ST3600 / TY3600: Lépine (open face) variant, two different bridge shapes available
  • Sea-Gull / Seagull ST3620 / TY3620: Savonnette (hunter) variant
  • Sea-Gull / Seagull ST3621 / TY3621: Savonnette (hunter) variant, different bridge shape
• The company and the trademark are called Sea-Gull, the watch movements Seagull

• Listing ID: 7412
• Manufacturer / Brand: Sea-Gull / Seagull
• Caliber: ST3621 / TY3621
• Size in French Lignes: 16 1/2''', height 4.5 mm
• Size range mm largest diameter: 31 - 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Right (0 - 120°)
• Shock Protection: Similar to Incabloc
• Beats per hour: 21,600
• Balance Type: Glucydur
• Power Reserve: >= 46 hours
• Production Period: From current production
• Identification: Listed on the Seagull website.
• Country: China
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)