Seiko Cal. 6618 - 186

The 6618-186 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6618 caliber with 17j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-4a89737a604b]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1972

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