Seiko Cal. 6662 - 418

The Seiko 6662-418 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a7f7379c0f4b]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1970

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