The LONGINES Master Collection 42mm Automatic Watch
The LONGINES Master Collection 42mm Automatic Watch — view 2
The LONGINES Master Collection 42mm Automatic Watch — view 3
The LONGINES Master Collection 42mm Automatic Watch — view 4
Longines

The LONGINES Master Collection 42mm Automatic Watch

This Longines Master Collection timepiece features a 42mm case housing an automatic L687 movement with a moon phase display at six o'clock and a date indication via a half-moon central hand. It is fitted with a brown alligator strap secured by a triple safety folding clasp and viewed through a transparent case back.

$4,300.00

Price as of Sep 7, 2026 10:09 PM UTC

Prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

Best for: formal occasions requiring precise calendar tracking

1 colorway

Silver "barleycorn"
View on Amazon

Pricing, availability, and returns are handled by Amazon.

Details

  • Automatic L687 movement, hours, minutes, small seconds with 24 hours indicator at 9 o'clock. date indicated by the half moon central hand. Moon phase display at 6 o'clock. Case, hours, minutes, small seconds with 24 hours indicator at 9 o'clock. date indicated by the half moon central hand. Chronograph mechanism : central 60 seconds hand, moon phase display with 12 hours counter at 6 o'clock, 30 minutes counter with day and month display at 12 o'clock. Transparent case back with sapphire crystal
  • Brown Alligator strap with triple safety folding clasp and push-piece opening mechanism
  • 5 Year International Warranty

Specifications

Model
L27734783
Color
Silver "barleycorn"
Count
1
Weight
0.99 pounds
UPC
640522183852, 703200174969
EAN
0703200174969, 7612356174767, 0640522183852

Questions

What specific complications and subdials are included in this Longines Master Collection model? +

The watch features an automatic L687 movement with hours, minutes, and small seconds. It includes a 24-hour indicator at the 9 o'clock position, a date function indicated by a central half-moon hand, and a moon phase display at 6 o'clock.

What are the strap material and clasp details for this timepiece? +

The watch is fitted with a brown alligator strap. It utilizes a triple safety folding clasp equipped with a push-piece opening mechanism for secure fastening.

Does this model include an international warranty, and if so, what is the duration? +

Yes, the specifications list a 5-year international warranty for this item.

What is the case back type and crystal material used in the construction? +

The watch features a transparent case back that allows visibility of the movement. The crystal covering the dial is made of sapphire.

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