Heimdallr Darth Engineer Tuna:
- Case Material: 316L Stainless Steel
 - Coating: Black PVD
 - Case Back: 316L Stainless Steel
 - Bezel: Unidirect rotatable bezel (360 degrees)
 - Bezel Insert: Ceramic Bezel Insert with Triangle lume
 - Crystal: Sapphire glass with AR-Coating
 - Movement: Seiko SII NH35A Automatic Movement
 - Strap: Super Engineer II Stainless steel bracelet
 - Clasp: Milled Clasp
 - Water resistance: 200 m / 20 ATM
 - Luminous: Swiss C3 SuperLuminova
 - Dial: Black
 - Height: 14.5 mm
 - Diameter: 47.0 mm
 - Lug Size: 22 mm
 - Crown: Screw down crown
 
NH35 Movement:
The accuracy of caliber NH35/4R35 is between +45 / -35 seconds per day. This rating is based on normal daily wear on the wrist in temperatures between 5 ºC and 35 ºC. When testing your watch for timekeeping, make sure it is fully wound.