Seiko Cal. 6327 - 409

The Seiko 6327-409 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-0207deb5401a]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1971

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