SEIKO SRPK87 SEIKO 5 Men's Automatic Watch, Silver/Navy

SEIKO SRPK87 SEIKO 5 Men's Automatic Watch, Silver/Navy.

Size and Weight: Case size (height x width x thickness): 37.4 x 44.7 x 12.5 (approx. mm), Strap: width approx. 16 mm (buckle side) ~ 18 mm (case side), lug width approx. 18 mm, wrist circumference (maximum) 205 mm, weight: approx. 125 g Materials: Case: Stainless steel, Band: Stainless steel, Crystal: Curved Hardlex crystal Waterproof Performance: Enhanced water resistance for daily use (10 ATM) Caliber No.: 4R36 Automatic winding (with manual winding, hacking function, date and day of the week display, 24 jewels) *The calendar is basically bilingual in English and Spanish, but occasionally other languages may be included. Accessories: Japanese instruction manual (copy), presentation box (SEIKO presentation box is included, but the design will vary with each shipment) *As part of SEIKO's efforts to address environmental issues (paperless system), products will no longer come with the original instruction manual starting in February 2024. Main Specifications & Features: Caliber No.: 4R36 Movement: Mechanical automatic winding (with manual winding) Accuracy: +45 seconds to -35 seconds per day Power Reserve: Approximately 41 hours when fully wound Case Material: Stainless steel Crystal Material: Curved Hardlex Lumibrite: Yes (hands and indices) Band Material: Stainless steel Clasp: One-push three-fold clasp Water Resistance: Enhanced water resistance for daily use (10 ATM) Magnetic Resistance: Yes Other Features: Screw-down case back (due to manufacturing reasons, the orientation of the case back may vary between individual watches), see-through case back Other Functions: Calendar (date and day of the week) function, 24 jewels, hacking function