Seiko Cal. 4515 - 525

The 4515-525 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4515 caliber with 31j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-0427855534d8]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1972

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