Seiko Cal. 6388 - 720

The Seiko 6388-720 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-8bde86a126f9]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1983

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