PRODUCT DESCRIPTION & FEATURES
This Sturmanskie Open Space 3133/1369BL “Cosmonaut Skeleton” is a men’s mechanical chronograph wristwatch from the “Open Space” collection, inspired by Soviet space exploration and the historic first human spacewalk by Alexei Leonov. The model features a skeletonized dial with visible chronograph mechanics and a robust stainless steel case with space-themed design engraving.
Series: Open Space Chronograph
Model: 3133/1369BL “Cosmonaut / Skeleton”
Limited Edition: YES – 3000 pcs (limited edition marking on official listing)
MOVEMENT
Movement: Poljot 3133 mechanical chronograph (manual winding)
Shock Resistance: Standard mechanical protection
Frequency: 21,600 vibrations per hour (typical 3133 architecture)
Power Reserve: ~42 hours (≈37h with chronograph running)
Calendar: Date display (standard 3133 layout)
Winding: Manual winding
Chronograph: Yes (central seconds + subdials)
CASE & BUILD
Case Material: Stainless steel
Case Shape: Round
Case Size: 44 mm
Case Thickness: ~13 mm
Case Back: Engraved astronaut / spacewalk design
Weight: Not officially specified
Band Type: Strap
Band Material: Leather
Lug Width: 22 mm (standard for Open Space chrono line)
CRYSTAL & DIAL
Crystal: Sapphire glass
Dial Type: Skeleton chronograph dial
Luminescence: Luminous hands and indices (standard Open Space spec)
BEZEL & FUNCTIONS
Functions: Hours, minutes, seconds, chronograph (stopwatch), date
Bezel: Fixed
PROTECTION & RESISTANCE
Water Resistance: 3 ATM (30 m)
USAGE & CARE
Mechanical chronograph designed for collector and daily use. Avoid water exposure beyond 3 ATM, strong impacts, and magnetic fields. Chronograph pushers should not be used underwater. Regular servicing is recommended due to Poljot 3133 mechanical complexity.
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