Longines Master Automatic Moonphase 34 mm Stainless Steel and Diamond

1. Model Breakdown (L2.409.4.87.2)

Per Longines’ coding system:

L2.409: Base model, indicating the Master Collection (L2-series) with a complication (e.g., moon phase).

.4: Case material (stainless steel).

.87: Dial color and design (“87” likely corresponds to a silver-white dial with a blue moon phase sub-dial).

.2: Bracelet type (stainless steel link bracelet).

2. Hypothetical Product Description

Key Specifications

Collection: Master Collection

Elegant dress watches blending classic aesthetics with complications.

Movement:

Automatic mechanical movement (L899 or L687).

Power reserve: ~64 hours (L899) or 54 hours (L687).

Functions: Moon phase, date, day (some models include chronograph).

Case:

Material: Polished stainless steel.

Diameter: 40–42 mm (common for Master Collection moon phase watches).

Thickness: ~10–12 mm (due to moon phase module).

Dial:

Silver-white “barleycorn” guilloché dial (iconic to the Master Collection).

6 o’clock moon phase display (dark blue starry sky with gold-plated moon/stars).

12 o’clock day/month windows or peripheral date track.

Blued steel hands + Roman numerals/baton hour markers.

Crystal: Anti-reflective sapphire crystal.

Bracelet: Three-link stainless steel bracelet (butterfly clasp or folding buckle).

Water Resistance: 30 meters (splash-resistant).

Feature Highlights

Moon Phase Complication:

Rotates every 29.5 days; adjustable via crown.

Artistic design with gold accents and deep blue background.

Practical Functions:

Date and day/month displays for everyday utility.

Refined Crafts

manship:

Polished case edges, seamless integration of lugs and bracelet.

Sunburst finishing on sub-dials and engraved moon phase disc.