Seiko Cal. 6378 - 324

The Seiko 6378-324 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-318e22caa0be]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1970

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