Seiko Cal. 6380 - 663

The Seiko 6380-663 represents an important milestone in Seiko's 1979 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-2161814ff9ff]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1979

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