Master Collection 40 Chronograph Calendar Stainless Steel / Black / Strap

Ref. L2.673.4.51.7

The Longines Master Collection has a stainless steel case with a diameter of 40.00 paired with a Black dial. It is listed here as being powered by caliber L687.2, though depending on the year of production it can be either a L678 or L687(in various executions).

Case diameter

40 mm

Lug width

21 mm

Water resistance

30 m

Case material

Stainless Steel

Crystal

Sapphire

Dial

Black

Movement

Longines caliber L687.2

Movement type

Automatic

Display

Analog

Power reserve

54 h

Frequency

28800 vph

Jewels

25

Movement diameter

30 mm

Complications

Additional 24 Hour Hand (fixed), Chronograph, Column wheel, Date, Day, Hours, Minutes, Month, Moonphase, Small Seconds