SEIKO 5 SPORTS Field Series Mid-size Mechanical Watch Made in Japan SRPJ81 Men's Black Overseas Model

[Size/Weight] Case size (length x width x thickness): 44.4 x 36.4 x 12.5 (approx. mm), Strap width: approx. 16 mm (buckle side) - 18 mm (case side), Lug width: approx. 18 mm, Wrist circumference (longest): approx. 205 mm, Weight: approx. 114 g [Material] Case: Stainless steel, Band: Stainless steel, Crystal: Curved Hardlex crystal [Water resistance] Enhanced water resistance for everyday use (10 bar) Caliber No. 4R36 Automatic (with manual winding, stop second hand, calendar (date and day of the week) function, 24 jewels) *The calendar is bilingual and is basically in English and Spanish, but we also have English and Arabic, English and French, and other languages available, so you cannot specify the language you want. If you contact us before purchasing, we will let you know which languages are in stock. [Accessories] Japanese instruction manual (copy), foreign language instruction booklet, presentation box (A SEIKO presentation box is included, but the design will vary depending on the product) This mid-size model with a 36.4mm case size is recommended for those with smaller wrists. [Key Specifications] ●Caliber No.: 4R36 ●Drive system: Mechanical automatic (with manual winding) ●Accuracy: +45 to -35 seconds per day ●Running period: Approximately 41 hours when fully wound ●Case material: Stainless steel ●Crystal material: Curved Hardlex ●Lumibrite: Yes (hands and indexes) ●Band material: Stainless steel ●Water resistance: Enhanced water resistance for everyday use (10 bar) ●Magnetic resistance: Yes ●Other features: Double-lock clasp, see-through screw back (Due to manufacturing reasons, the orientation of the case back may vary from one watch to another) ●Other functions: Calendar (date and day of the week) function, 24 jewels, stop-seconds function