Sturmanskie Luna 25 6S21/4791413 Quartz Chronograph Limited Edition Watch

Sturmanskie Luna 25 6S21/4791413

This Sturmanskie Luna 25 is a men’s quartz chronograph wristwatch from the “Luna” collection, dedicated to the Russian lunar exploration program. It features a stainless steel case, mineral crystal, and a sport-style multi-subdial chronograph layout powered by a Japanese Miyota quartz movement.

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Series: Luna
Model: 6S21/4791413
Limited Edition: 2000 pcs (numbered limited series)

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Movement

Movement: Miyota 6S21 quartz chronograph
Shock resistance: Yes
Frequency: Quartz regulated (battery-powered)
Power reserve: ~36 months
Calendar: Date display
Winding: Battery operated (no automatic/manual winding)
Chronograph: Yes (60-minute chronograph with split/reset functions)

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Case & build

Case material: Stainless steel
Case shape: Round
Case size: 44 mm
Case thickness: ~13 mm
Case back: Screw-in solid caseback with engraving
Weight: ~80 g

Band type: Strap
Band material: Genuine leather
Lug width: 22 mm

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Crystal & dial

Crystal: Mineral glass
Dial type: Multi-subdial chronograph dial
Luminescence: Luminous hands and indices (Super-LumiNova)

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Bezel & functions

Functions: Hours, minutes, seconds, chronograph (stopwatch), date
Bezel: Fixed

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Protection & resistance

Water resistance: 5 ATM / 50 m

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Usage & care

Quartz chronograph designed for daily wear and collector use. Avoid pressing chronograph pushers underwater. Protect from shocks and magnetic fields. Battery replacement typically required every ~2–3 years. Regular sealing checks recommended.