Seiko Presage SPB525 Classic Series Blue Textured Dial Automatic Luminox Navy Seal Colormark Chronograph A.3081.BO Case Back: See-Through Screwed Case-Back

Case Back: See-Through Screwed Case-Back

Accuracy: +/-15 seconds per month（without receiving a GPS signal

Reference: H82515330

Hands: Thermally blued stainless steel hands also filled with Superluminova C3 luminous material

Seiko Presage SPB525 Classic Series Blue Textured Dial Automatic Luminox Navy Seal Colormark Chronograph A.3081.BO Case Back: See-Through Screwed Case-BackMovement: Automatic Caliber: 6R55 Precision: +25 to 15 seconds per day Power Reserve: Approx. 72 hours (3 days) Jewels: 24 Case Material: Stainless steel (super hard coating) Case Diameter: 40. 2mm Case Length (Lug to Lug): 46. 0mm Case Thickness: 13. 0mm Crystal: Dual curved sapphire crystal Crystal Coating: Anti reflective coating on inner surface Clasp: Deployment clasp with push button release Lug Width: 20mm Water Resistance: 10 bar Magnetic