Seiko Cal. 4515 - 804

The 4515-804 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4515 caliber with 17j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-598fcfe3deb8]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1968

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