Seiko Prospex SLA039 The 1968 Professional Diver’s 300m Re-creation

Model #






Case Size

Thickness: 15.7 ㎜-Diameter: 44.8 ㎜-Length: 51.4 ㎜

Case Material

Ever-Brilliant Steel

Water Resistance

300m / 1000ft for saturation diving


Case Ever-Brilliant Steel
Case Back Screw
Case Length 51.4mm
Case Width 44.8mm
Case Thickness 15.7mm
Crown Screw-down
Crystal Dual-curved sapphire crystal
Dial Color Blue
Hands Lumibrite
Dial Markers Indexes, Lumibrite
Functions Hours, Minutes, Seconds, Date, Rotating Bezel


Seiko’s first high-beat diver’s watch, created in 1968, is an important part of this tradition. With a 10-beat high precision automatic caliber, a one-piece structure, a mono-directional rotating bezel and screw-down protection crown, the success of this model laid the foundation for the Seiko diver’s watch development which has now, for 50 years, pushed back the frontiers of precision, durability and ease of use in watches for professional and recreational divers.


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