Seiko Cal. 4418 - 515

The 4418-515 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4418 caliber with 19j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-0d30e2206681]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1972

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