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M45 F7 Mechanical Moon Phase

RE-AY0106S

Movement Mechanical
Calibre Code F7M62
Accuracy +15 seconds to -5 seconds per day *
Power Reserve (Mechanical) Over 50 hours
Power Reserve (Quartz)
Automatic Yes
Hand-Winding Yes
Dial Colour White
Case Material (Bezel) Stainless steel (SUS316L)
Case Material (Body) Stainless steel (SUS316L)
Case Material (Back) Stainless steel (SUS316L)
Case Size (Width) 41.0 mm
Case Size (Height) 49.0 mm
Case Size (Thickness) 13.8 mm
Case Back Design See-through case back
Glass Material (Front) Dual curve sapphire crystal (SAR coating)
Glass Material (Back) Sapphire crystal
Strap Material Cordovan
Strap Colour Black
Strap Width 20 mm
Buckle Trifold deployant buckle with push button
Wrist Size
Additional Strap
Additional Strap material
Additional Strap buckle type
Water Resistance 5 bar (50 m)
Magnetic Resistance JIS Type 1 (Magnetic Resistance 4800 A/m or higher)
Weight 85 g
Jewels 22
Date Indicator Yes
Day Indicator
Power Reserve Indicator Yes
GMT
Retrograde
World Time
Rotating Bezel
Inside Ring
Luminous Light
Screw Case Back Yes
Easy Exchange Strap
Other Details
Limited Edition
Pair Model
Country of Origin Japan
Warranty 3 years
Launch Nov, 2020
  • *The indication difference of the watch measured over a 24-hour period represents the degree of advance or delay per day.
    Indicated with (+) if the watch is going forward,and (-) if it is going backward.

A world of mechanical elegance, revealed on the wrist

At six o’clock, an in-house moonphase complication marks the rhythm of time. Set within a profound blue evoking the night sky, luminous stars and a softly glowing moon come together in quiet harmony. It is a vision of beauty that invites reflection—where gazing upon the moon becomes a moment of richness and serenity.”

A devotion to legibility, shaped into an endearing design

To enhance legibility, the centre of gravity of both the hour and minute hands—each at its widest point—has been precisely calculated and balanced for optimal design. Their tips are also delicately curved to bring them closer to the minute track, further improving readability. The watch is fitted with dual-curved sapphire crystal, lending it a classically elegant impression, while SAR coating on both sides minimises reflections and elevates visibility to an even higher level.

A dial adorned with the OS mark, carried on since the birth of the brand

The dial is subtly decorated with a logo-inspired pattern that embodies the brand itself. Centred on the OS mark, which has endured since the brand’s inception, the design is composed of interlocking diamond shapes inspired by a traditional Japanese motif, creating a refined and harmonious whole.

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