Seiko Cal. 6668 - 326

The Seiko 6668-326 represents an important milestone in Seiko's 1968 lineup. It features a Silver dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-9f1831fd2dbb]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1968

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