Seiko Cal. 5618 - 330

Released in 1972, the Cal. 5618 with design code 330 was part of Seiko's domestic market collection. Powered by the 5618 caliber with 34j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-01d90e1530fc]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1972

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