SEIKO Presage SPB303

Movement

Caliber Number: 6R64

Movement Type: Automatic with manual winding

Precision: +25 to -15 seconds per day

Power reserve: Approx. 45 hours

Jewels: 29

Functions:

• 24-hour hand
• Date hand
• Power reserve indicator
• Calendar-linked time difference adjustment function
• Stop seconds hand function

Case/Band

Case Size:

Thickness: 13.7mm
Diameter: 42.2mm
Lug-to-lug: 49.2mm

Crystal: Sapphire crystal

Crystal Coating: Anti-reflective coating on inner surface

LumiBrite: LumiBrite on hands and index(es)

Clasp: Three-fold clasp with push button release

Distance between lugs: 20

Other Details

Water Resistance: 10 bar

Weight: 181.0g

Features:

• LIMITED EDITION on the case back
• Serial number engraved on the case back
• See-through case back
• Screw case back
• See-through & Screw case back