Seiko Cal. 6378 - 938

Released in 1985, the Cal. 6378 with design code 938 was part of Seiko's domestic market collection. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-a6663bdce1bc]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1985

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