Blancpain Fifty Fathoms Bathyscaphe Quantième Complet Phases de Lune 5054 0130 B52A

【Case Construction】
• Reference-based specification: 43.6 mm black ceramic Bathyscaphe complete-calendar moon-phase case, based on Reference 5054 0130 B52A; Blancpain lists this model with black ceramic case, sunburst black dial, calibre 6654.P.4, 72-hour power reserve, and sail-canvas strap.
• The ceramic case gives the watch strong scratch resistance and a modern stealth-diver appearance.
• The rotating bezel preserves the Bathyscaphe diving identity despite the complicated dial.

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【Dial Highlights】
• The black dial integrates complete calendar, pointer date, and moon phase displays.
• Day and month apertures add classical calendar-watch function.
• The moon phase display brings a refined complication into a professional diver-style case.

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【Crystal】
• Sapphire-style crystal provides clear visibility over the multi-function dial.
• The crystal keeps the calendar indications and moon phase display readable.

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【Movement】
• Powered by calibre 6654.P.4-style automatic complete-calendar movement.
• Functions include hours, minutes, seconds, day, date, month, and moon phase.

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【Strap & Clasp】
• Black sail-canvas-style strap keeps the complex watch practical and sporty.
• The strap matches the black ceramic case and dial.