
Decimal AA51
- $135 recorded MSRP, $20 lower
- Same 40.5 mm case diameter
- Same Ronda 515 caliber
Lug-to-lug is not recorded for this match.
Watch alternatives
Keep what you like. Explore what could be different. Compare 43 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.

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

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

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

0.8 mm thinner case. $290 recorded MSRP, $135 higher

0.8 mm thinner case. $240 recorded MSRP, $85 higher

1 mm thinner case

1.5 mm thicker case

$275 recorded MSRP, $120 higher

4.1 mm thicker case

2.5 mm thinner case. $178 recorded MSRP, $23 higher

0.4 mm thinner case

0.8 mm thicker case. $290 recorded MSRP, $135 higher
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.

1 mm thicker case

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

0.8 mm thicker case

0.8 mm thicker case

0.8 mm thicker case

0.5 mm thicker case

2 mm thicker case. $200 recorded MSRP, $45 higher

3 mm thinner case. $205 recorded MSRP, $50 higher

2.7 mm thicker case. $250 recorded MSRP, $95 higher

$188 recorded MSRP, $33 higher

1 mm thicker case

Solar movement instead of quartz. 2 mm thicker case
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.

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

4.5 mm thicker case

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

Dimensions alone do not establish wrist fit.

1.5 mm thicker case

3.5 mm thicker case

2 mm thinner case
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.

2 mm thicker case. $600 recorded MSRP, $445 higher

$750 recorded MSRP, $595 higher

0.6 mm thicker case. $645 recorded MSRP, $490 higher

1.7 mm thinner case. $675 recorded MSRP, $520 higher

Solar movement instead of quartz. 0.5 mm thicker case

0.9 mm thinner case. $325 recorded MSRP, $170 higher

$1,295 recorded MSRP, $1,140 higher

$595 recorded MSRP, $440 higher

0.8 mm thinner case. $450 recorded MSRP, $295 higher

$1,295 recorded MSRP, $1,140 higher

$385 recorded MSRP, $230 higher

2.1 mm thicker case. $550 recorded MSRP, $395 higher
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