Seiko Automatic Bullhead Chronograph 6138 - 0040, known as Seiko Bullhead This watch contains aftermarket customizations without the brand's permission. This may affect the value of the watch and void manufacturer warranties including polishing, aftermarket dial, hands, bracelet, crystal, bezel mount, case back and pushers. We ask dealers to mention known aftermarket parts. We do not guarantee water resistance on vintage watches. Please use photos as part of the description. We ask dealers to mention known aftermarket parts. The band, case, inner ring and dial are aftermarket, and the mechanism is original. The condition is excellent. Beautiful dial in excellent condition! Dial , hands , bezel insert are known aftermarket parts. Case diameter 47 mmxn 49 mm The band is made of thin and sturdy stainless steel. The bracelet fits up to a maximum wrist size of 20 cm. I will send an extra brown leather strap. Please examine all photos in detail and read all descriptions one by one. I don't want my clients to be disappointed with an undesirable outcome. Delivery time is only a few days* for Europe, approx. 5-7 days for other countries*. Fast delivery for gift. Please pay attention to customs tax. Buyer is responsible for import VAT and taxes if necessary