Seiko Cal. 6699 - 381

The Seiko 6699-381 represents an important milestone in Seiko's 1991 lineup. It features a Navy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-221a6a4e1d39]

Also known as: Bullhead, Crown

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1991

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