Seiko Cal. 6378 - 499

The Seiko 6378-499 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-15edb0ea557e]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1987

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