The Seiko 5 SRPL57K1 is a men's automatic watch with a green dial, a stainless steel case and bracelet, and a 37.4 mm case. It runs on Seiko's 4R36 automatic movement, which winds from wrist motion and adds a day-date display. Water resistance is rated 10 ATM, enough for swimming. Its smaller case suits wrists that find the usual 40 mm-plus Seiko 5 models too large, and it competes with other entry-level automatic field and dive-style watches on movement features rather than on finish.
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Owners of the Seiko 5 line generally praise the automatic movement, the day-date and the value, and the smaller case is welcomed by people with slim wrists. Common complaints are the Hardlex crystal, the plain bracelet and the movement's loose timekeeping.
The SEIKO 5 SRPL57K1 is a men's watch with a green dial set in a polished silver stainless steel case. The case is 37.4 mm. The band is also stainless steel and silver.
It has an automatic movement powered by the motion of the wearer's wrist, so it needs no battery. Water resistance is rated at 10 ATM, which covers splashes, rain and swimming.







