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Top-tier supplier movement · caliber Sellita SW510M: Swiss manual-wind, 262Hz (extremely high frequency), 28,800bph, 45h PR; used in Bulova Lunar Pilot; high-frequency accuracy standard · 45h power reserve
Large case: suits wrists 7 in+ (18 cm+)
45 mm case. A bold, statement-size wear. Best suited to larger wrists where the case sits flush.

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Authentication

The 262Hz ultra-high frequency movement gives the seconds hand a continuous sweep; any Lunar Pilot where the seconds hand ticks has a standard-frequency movement swap.

Known issues in the market
  • The manual-wind chronograph pushers must start, stop, and reset cleanly; sticky pushers indicate service is required.
AreaWhat to checkWhat is correctRed flag
movementUltra-high frequency seconds sweepSeconds hand sweeps continuously at 262Hz; no visible tick stepsSeconds hand ticks in visible steps; standard-frequency movement swap
dial"LUNAR PILOT" text on dial"LUNAR PILOT" text present on dialMissing "LUNAR PILOT" text; wrong reference or non-genuine dial
crownManual-wind chronograph pushersBoth pushers engage cleanly; start/stop/reset functions operate correctlySticky or non-returning pusher; chronograph mechanism requires service
Common legitimate replacements
  • Crystal; mineral or sapphire depending on variant.
  • Strap or bracelet; Bulova OEM.
Expert resources: Bulova authorized service; Bulova Lunar Pilot product documentation.

Authentication guide

Last reviewed June 2026

The Lunar Pilot is an officially licensed NASA watch: astronaut Dave Scott wore a Bulova on the lunar surface during Apollo 15. The 2019 reissue uses the Bulova high-frequency movement derived from the Accutron tuning fork concept. The seconds hand sweeps as a continuous motion, not steps, due to the 262kHz oscillator. This smooth sweep is the fastest authentication check.

Known reproduction risks

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MEDIUM

The Lunar Pilot design is widely recognized and copied at budget price points given its NASA provenance appeal.

  • Seconds hand advancing in steps rather than smooth sweep (standard movement substituted)
  • Caseback without NASA or Apollo 15 commemorative inscription
  • Dial printing quality below Bulova standard, especially the register markers
  • Tachymeter bezel with printed rather than engraved scale

The smooth-sweep seconds hand is impossible to fake with a standard mechanical movement. If the hand steps, the movement is not the Bulova high-frequency caliber.

Dial variants by era

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EraDescriptionIdentifiers
2019 to presentSilver panda dial with three chronograph registers: small seconds at 9, 30-minute counter at 3, 12-hour counter at 6. Arabic numerals. Chronograph pushers at 2 and 4. Tachymeter bezel. 45mm steel case.
  • "BULOVA" at 12, "LUNAR PILOT" below
  • Panda (white dial, black registers) layout
  • Tachymeter bezel
  • Three-register chronograph
  • Seconds hand with continuous sweep motion at 8 ticks per second minimum
  • Official NASA or Dave Scott reference on the caseback

Service part flags

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High-frequency movement sweep

Original: The Bulova Lunar Pilot uses a movement beating at a very high frequency relative to standard mechanical watches. The seconds hand appears to sweep continuously rather than in visible steps. This is the definitive visual test at a glance.

Replacement tells
  • Seconds hand advancing in visible steps (1-second or 1/2-second jumps) rather than smooth sweep
  • Standard ETA or Sellita movement visible through caseback
  • Beat rate that does not produce the characteristic smooth sweep

Case back markings

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2019 to present
  • Reference 96K111
  • "BULOVA" and brand identification
  • High-frequency caliber designation
  • NASA or Dave Scott commemorative inscription
  • 100M water resistance
  • Serial number

Movement tells

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  • The smooth-sweep characteristic is the baseline. Any visible stepping means the movement has been swapped or replaced.
  • Power reserve for the high-frequency caliber is approximately 45 hours. Below 36 hours needs service.
  • Chronograph pushers should operate crisply. The Lunar Pilot uses a manual-wind variant for this reference.
Sources: Bulova Lunar Pilot official product documentation; NASA Apollo 15 mission records, Dave Scott equipment manifest.

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