Seiko Cal. 6378 - 948

The Seiko 6378-948 represents an important milestone in Seiko's 1990 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-a61b12a7972e]

Also known as: Arnie, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1990

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