Seiko Cal. 6666 - 343

The Seiko 6666-343 represents an important milestone in Seiko's 1965 lineup. It features a Cream dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-55ad1a0541bd]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1965

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