
Classic Micro-Rotor – Blue
- Same 40 mm case diameter
- Both use automatic movements
2.4 mm thicker case. $94,756 recorded MSRP, $65,056 higher
Watch alternatives
Reference 6651-3630-55B
Keep what you like. Explore what could be different. Compare 48 catalog matches by dimensions, movement and price.
The starting pointChoose the differences that matter to you.
Calculated from catalog specifications and similarity signals. Prices are recorded MSRP in USD, not current retail offers. Missing measurements stay unknown.
Narrow these matches without leaving the page.
Discover smaller makers with catalog similarities to this watch.

2.4 mm thicker case. $94,756 recorded MSRP, $65,056 higher

Lug-to-lug is not recorded for this match.

3.2 mm thicker case

Lug-to-lug is not recorded for this match.

0.3 mm thicker case

2.1 mm thicker case

Dimensions alone do not establish wrist fit.

0.3 mm thicker case

2.1 mm thicker case

0.9 mm thicker case

1.3 mm thicker case

1.8 mm thicker case
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.

0.9 mm thicker case

0.9 mm thicker case

Manual movement instead of automatic. 1.8 mm thicker case

Manual movement instead of automatic. 2.5 mm thinner case

0.5 mm thicker case

0.5 mm thicker case. $51,000 recorded MSRP, $21,300 higher

Lug-to-lug is not recorded for this match.

Manual movement instead of automatic. 0.3 mm thicker case

0.2 mm thinner case. $47,262 recorded MSRP, $17,562 higher

0.5 mm thicker case. $47,262 recorded MSRP, $17,562 higher

2.9 mm thicker case. $51,500 recorded MSRP, $21,800 higher

$38,200 recorded MSRP, $8,500 higher
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.

1.9 mm thicker case

Lug-to-lug is not recorded for this match.

1.8 mm thicker case

Lug-to-lug is not recorded for this match.

1.2 mm thicker case

1.6 mm thicker case

0.5 mm thicker case

4.8 mm thicker case

2.1 mm thicker case

0.8 mm thinner case

Lug-to-lug is not recorded for this match.

3.6 mm thicker case
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.
2.7 mm thicker case. $67,267 recorded MSRP, $37,567 higher

1.3 mm thicker case. $69,393 recorded MSRP, $39,693 higher

2.4 mm thicker case. $114,279 recorded MSRP, $84,579 higher

Manual movement instead of automatic. 0.8 mm thicker case

Manual movement instead of automatic. 1.5 mm thicker case

0.3 mm thinner case. $100,000 recorded MSRP, $70,300 higher

6.9 mm thicker case. $65,550 recorded MSRP, $35,850 higher

Manual movement instead of automatic. 1.9 mm thicker case

Manual movement instead of automatic. 1.9 mm thicker case

Manual movement instead of automatic. 1.9 mm thicker case

Manual movement instead of automatic. 2.1 mm thicker case

Manual movement instead of automatic. 4 mm thicker case
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