Seiko Cal. 5618 - 550

The 5618-550 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5618 caliber with 21j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-81adca598cd8]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1984

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