Jaeger-LeCoultre Watch Dimensions: Diameter, Thickness, Lug-to-Lug

JLC sizing is split between the rectangular Reverso (Classic 42.9×25.5mm to Tribute 49.4×29.9mm) and round Master/Polaris ranges. Master Ultra Thin runs to 4.05mm thick - the dress-watch reference. Polaris steps up to 42-44mm sport sizing.

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Family:

Family	Model	Reference	Diameter	Thickness	Lug-to-Lug	Lug Width	Bracelet Taper	Water	Movement
Reverso	Reverso Classic Small	Q2618130	40.1 × 24.4 mm	7.56 mm	40.1 mm	17 mm	17 → 14 mm (leather)	30 m	Cal. 657
Reverso	Reverso Classic Medium	Q2548140	42.9 × 25.5 mm	8.5 mm	42.9 mm	18 mm	18 → 15 mm (leather)	30 m	Cal. 854A/2
Reverso	Reverso Classic Large Duoface	Q3848420	47 × 28.3 mm	10.3 mm	47.0 mm	20 mm	20 → 17 mm (leather)	30 m	Cal. 854A/2
Reverso	Reverso Tribute Monoface	Q3978480	45.6 × 27.4 mm	8.5 mm	45.6 mm	19 mm	19 → 16 mm (leather)	30 m	Cal. 822A
Reverso	Reverso Tribute Duoface	Q3908420	47 × 28.3 mm	10.34 mm	47.0 mm	20 mm	20 → 17 mm (leather)	30 m	Cal. 854A/2
Reverso	Reverso Tribute Chronograph	Q3902420	49.4 × 29.9 mm	11.14 mm	49.4 mm	21 mm	21 → 18 mm (leather)	30 m	Cal. 860
Reverso	Reverso One Duetto	Q3358420	40.1 × 20 mm	9.14 mm	40.1 mm	16 mm	16 → 12 mm (leather)	30 m	Cal. 844
Reverso	Reverso Hybris Mechanica Calibre 185	Q7112530	51 × 31 mm	15.15 mm	51.0 mm	21 mm	21 → 18 mm (leather)	30 m	Cal. 185
Master	Master Ultra Thin	Q1358420	40 mm	7.58 mm	46.0 mm	20 mm	20 → 17 mm (leather)	50 m	Cal. 896
Master	Master Ultra Thin Moon	Q1368430	39 mm	9.9 mm	45.0 mm	19 mm	19 → 16 mm (leather)	50 m	Cal. 925
Master	Master Ultra Thin Perpetual	Q1303520	39 mm	9.2 mm	45.0 mm	19 mm	19 → 16 mm (leather)	50 m	Cal. 868
Master	Master Control Date	Q4018420	40 mm	8.79 mm	46.0 mm	20 mm	20 → 17 mm (leather)	50 m	Cal. 899
Master	Master Control Chronograph	Q4138530	40 mm	12.3 mm	47.0 mm	20 mm	20 → 17 mm (leather)	50 m	Cal. 751
Master	Master Control Calendar	Q4148420	40 mm	11.42 mm	46.0 mm	20 mm	20 → 17 mm (leather)	50 m	Cal. 866AA
Master	Master Control Chronomètre	Q4028420	40 mm	10.4 mm	46.0 mm	integrated	integrated bracelet	50 m	Cal. 899HP
Master Grande	Master Grande Tradition Tourbillon	Q1668410	43 mm	13.16 mm	50.0 mm	21 mm	21 → 18 mm (leather)	50 m	Cal. 946
Master Grande	Master Grande Tradition Gyrotourbillon	Q504642A	43 mm	14.08 mm	50.0 mm	21 mm	21 → 18 mm (leather)	30 m	Cal. 176
Polaris	Polaris Date	Q9038480	42 mm	11.5 mm	50.0 mm	21 mm	21 → 18 mm	200 m	Cal. 899AC
Polaris	Polaris Chronograph	Q9028180	42 mm	14.2 mm	50.0 mm	21 mm	21 → 18 mm	100 m	Cal. 751
Polaris	Polaris Perpetual Calendar	Q9088180	42 mm	11.86 mm	50.0 mm	21 mm	21 → 18 mm	100 m	Cal. 868AC
Polaris	Polaris Mariner Date	Q9068180	42 mm	13.9 mm	50.0 mm	21 mm	21 → 18 mm	300 m	Cal. 899AC
Duomètre	Duomètre Chronograph	Q6012521	42.5 mm	13.5 mm	49.0 mm	21 mm	21 → 18 mm (leather)	50 m	Cal. 391
Duomètre	Duomètre Heliotourbillon	Q6053420	42.5 mm	14.3 mm	49.0 mm	21 mm	21 → 18 mm (leather)	50 m	Cal. 388
Duomètre	Duomètre Quantième Lunaire	Q6042420	40.5 mm	13.5 mm	47.0 mm	20 mm	20 → 17 mm (leather)	50 m	Cal. 381
Rendez-Vous	Rendez-Vous Classic	Q3468430	34 mm	8.87 mm	40.0 mm	17 mm	17 → 14 mm (leather)	30 m	Cal. 898
Rendez-Vous	Rendez-Vous Dazzling Star	Q3653430	36 mm	11.8 mm	42.0 mm	17 mm	17 → 14 mm (leather)	30 m	Cal. 968E
Master	Master Compressor Diving	Q186T471	44 mm	15.5 mm	52.0 mm	22 mm	22 → 20 mm	300 m	Cal. 976

Specs from the manufacturer's published technical data. Lug-to-lug values reflect commonly-cited caliper measurements where the manufacturer does not publish them and may vary by ±0.5 mm. References cover the principal current production variants per family - bezel, dial, and metal-option references usually share case dimensions.

Jaeger-LeCoultre Watch Dimensions

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