SEIKO PROSPEX MARINEMASTER SLA021J1 / SBDX023

Movement
Caliber Number: 8L35
Movement Type: Automatic with manual winding capacity
Accuracy: +15 to -10 seconds per day
Power Reserve: Approx. 50 hours
28,800 vibration / hour
Antiagnetic

Exterior:
Case Material: Stainless steel (super hard coating) with stainless steel bezel
Crystal: Sapphire
Crystal Coating: Anti-reflective coating on inner surface
LumiBrite: Lumibrite on hands and indexs
Case Size: Thickness: 15.4 ㎜, Diameter: 44.3 ㎜

Other Details
Water Resistance: 300m / 1000ft for saturation diving
One-piece structure
Screw-down crown
Three-fold clasp with secure lock
Unidirectional rotating bezel
26 Jewels
Date display
Stop second hand function

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