Seiko Cal. 6388 - 338

The Seiko 6388-338 represents an important milestone in Seiko's 1987 lineup. Powered by the 6388 caliber with 20j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-fd64760e9c50]

Also known as: Sea Horse, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1987

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