Seiko Cal. 6378 - 201

The Seiko 6378-201 represents an important milestone in Seiko's 1972 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-c9fe39676cb2]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1972

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