Seiko Prospex SPB321 Sumo Ceramic Bezel Blue Dial LX Spring Drive MAMMUT is an outdoor brand

MAMMUT is an outdoor brand that delivers high-quality products and an exceptional brand experience

making for a sophisticated presence

Caliber: ETA 2892A2 with Jaquet 3512 module and Delma custom rotor

6mm/perceived 8

Seiko Prospex SPB321 Sumo Ceramic Bezel Blue Dial LX Spring Drive MAMMUT is an outdoor brandCaliber Number 6R35 Movement Type Automatic with manual winding Accuracy +25 to 15 seconds per day Duration Approx. 70 hours Jewels 24 Functions Stop seconds hand function Date display Case Band Case Material Stainless steel (super hard coating) Case Size Thickness: 13. 4mm Diameter: 45. 0mm Lug to lug: 52. 6mm Crystal Sapphire crystal Crystal Coating Anti reflective coating on inner surface LumiBrite LumiBrite on hands, index(es) and bezel Clasp