Specifications:
Movement Type: Mechanical Automatic
Calibre Number: 6R35
Collections: Real Thai Special Collection "Seiko Thailand 30th Anniversary"
Accuracy: Within + 25/-15 seconds per day
Style: Diver
Case Material: Stainless Steel 
Case Colour: Silver
Band Material: Stainless Steel
Strap Colour: Stainless Steel Bracelet with Extra Black Rubber Band
Dial Type: Analog
Dial Colour: Gray with "Phi Ta Khon" Textured Dial
Glass Type: Sapphire with Cyclops
Water Resistance: 200 metres for Diving
Size: 45mm x 12.85mm
Date display
Made In Japan
Ref. SPB247J1 / SPB247J / SPB247
Other features: Lumibrite, Limited 1991 pcs. (for Thailand domestic market only), Screw-down crown, Screw-case back, 70 hours Power Reserve, 24 Jewels, Double-Lock Clasp with Push Button Release, Magnetic Resistance, Stop Second Hand Function, 70 hours power reserve, Extra Polyurethane Rubbers band