2025 Seiko PROSPEX MARINEMASTER 1965 HERITAGE DIVER SJE099 39.5mm

2025 Seiko PROSPEX MARINEMASTER 1965 HERITAGE DIVER SJE099 

In Excellent Condition Box papers Seiko US Warranty till Jan 2028

Features the first see-through screwdown caseback on a Seiko Marinmaster diver’s watch, as well as an elegantly chamfered case and bezel and a flexible double-curved bracelet for a comfortable fit. 

And First globally available series to bear the "Marinemaster" name

Visible beneath the caseback, the thin, but exceptionally accurate, 26-jewel 6L37 Seiko's slimline mechanical Automatic movement beats at a frequency of 28,800 vibrations per hour, and provides a power reserve of approximately 45 hours and manual winding capability.

Framed by a uni-directional rotating elapsed timing bezel, the distinctively patterned Light blue dial offers LumiBrite hands and markers. As rugged as it is stylish, this premium diver’s watch, created for scuba diving, is crafted of stainless steel with a durable super-hard coating and features a box-shaped sapphire crystal with anti-reflective coating on the inner surface, screwdown crown, and a tri-fold push button release clasp with secure lock and extender. 

Steel Case 39.5mm

Lugs 20mm

Lug to Lug 47.5mm

Thickness 12.3mm