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

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Impressum Datenschutz

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Heuer Calculator 740.633 · The Index

Brands
Heuer
Calculator
740.633

Calculator 740.633

1974–?1 variant

Manual-wind Valjoux 7740 Calculator with 12-hour recorder.

Heuer 740.633. · Photo: OnTheDash · © OnTheDash, used with permission · Source: https://www.onthedash.com/chronograph/calculator-ref-740-633-blue/

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Variants over time

Explore by production yearAll recorded years

19701979

197019751980

Faded ends mark approximate or unknown dates. Years are as stated by the cited sources.

Variants

Blue Dial1974–?
Deep blue dial with orange hands; crown on the right.

Reference specifications

Brand: Heuer
Model: Calculator
Reference: 740.633
Category: Chronograph
Production: 1974–?
Case material: Stainless steel
Date: Yes
Movement: Manual winding

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Master Reference TableRead more at OnTheDash (opens in a new tab)

Manual winding

More specifications (1)

Calibers: 7740

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

All Calculator references

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