Seiko Cal. 6618 - 933

Released in 1967, the Cal. 6618 with design code 933 was part of Seiko's domestic market collection. Powered by the 6618 caliber with 28j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-00933ce5df7e]

Also known as: UFO, Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1967

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