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

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IWC Grande Complication IW3770-21 (aka: 3770-21, IW377021) · The Index

Brands
IWC
Grande Complication
IW3770-21 (aka: 3770-21, IW377021)

Grande Complication IW3770-21 (aka: 3770-21, IW377021)

1990–2010

Grande Complication 3770 Yellow Gold / Silver / English — photo from WatchBase · Photo: WatchBase · © WatchBase, used with permission · Source: https://watchbase.com/iwc/grande-complication/iw3770-21

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Variants

No variants documented yet.

Reference specifications

Brand: IWC
Model: Grande Complication
Reference: IW3770-21 (aka: 3770-21, IW377021)
Production: 1990–2010
Case diameter: 42.2 mm
Water resistance: 10 m
Crystal: Sapphire

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

All Grande Complication references

Previous referenceIW3770-21

Next referenceIW3770-25 (aka: 3770-25, IW377025)