Seiko Cal. 6388 - 103

The Seiko 6388-103 represents an important milestone in Seiko's 1968 lineup. It features a Silver dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-4c88be85e956]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1968

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