Seiko Cal. 6378 - 818

The Seiko 6378-818 represents an important milestone in Seiko's 1998 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-5cc12701eeb4]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1998

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