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The Index — Vintage watches, decoded.References, dials and variants up to 2000

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Omega Speedmaster Moonwatch 3691.50.31 (aka: 36915031) · The Index

Brands
Omega
Speedmaster Moonwatch
3691.50.31 (aka: 36915031)

Speedmaster Moonwatch 3691.50.31 (aka: 36915031)

1995

Speedmaster Professional Moonwatch Apollo-Soyuz 20th Anniversary — photo from WatchBase · Photo: WatchBase · © WatchBase, used with permission · Source: https://watchbase.com/omega/speedmaster/3691-50-31

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Variants

No variants documented yet.

Reference specifications

Brand: Omega
Model: Speedmaster Moonwatch
Reference: 3691.50.31 (aka: 36915031)
Production: 1995
Case diameter: 42 mm
Water resistance: 50 m
Crystal: Sapphire

Specs shared by all variants. Variant pages show where a variant differs.

All Speedmaster Moonwatch references

Previous reference3691.50.31

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