Seiko Cal. 6620 - 418

The Seiko 6620-418 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-eeb2fd829144]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1968

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