Seiko Cal. 6388 - 426

The Seiko 6388-426 represents an important milestone in Seiko's 1975 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-e82f4350a41d]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1975

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