Seiko Cal. 6698 - 639

The Seiko 6698-639 represents an important milestone in Seiko's 1983 lineup. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-c3ec5a44ab01]

Also known as: Samurai, Monster

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1983

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