SPB447

Movement

Caliber Number

6R54

Movement Type

Automatic with manual winding

Precision

+25 to -15 seconds per day

Power reserve

Approx. 72 hours(3 days)

Jewels

24

Functions

• 24-hour hand (dual time display function)
• Stop second hand function

Case/Band

Case Material

Stainless steel (super hard coating)

Case Size

Thickness:12.4mm
Diameter:40.2mm
Lug-to-lug:48.0mm

Crystal

Dual-curved sapphire crystal

Crystal Coating

Anti-reflective coating on inner surface

Band Material

Calfskin

Clasp

Three-fold clasp with push button release

Distance between lugs

20

Other Details

Water Resistance

10 bar

Magnetic Resistance

4,800 A/m

Weight

87.0

Features

• See-through case back
• Screw case back
• Urushi lacquer dial
• See-through & Screw case back

• This watch dial is created by hand with urushi lacquer. Therefore, it may have slight differences in color or minute distortions. These are unique features of handcrafted urushi lacquer dials, of which no two are exactly alike.