Seiko Cal. 4515 - 890

The 4515-890 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4515 caliber with 19j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-17d183182e20]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1977

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