Seiko Cal. 6399 - 681

The Seiko 6399-681 represents an important milestone in Seiko's 1973 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-1fe6247b3128]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1973

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