Seiko Cal. 6388 - 503

Released in 1971, the Cal. 6388 with design code 503 was part of Seiko's domestic market collection. It features a Cream dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-d3e7c3c5fcfd]

Also known as: Sumo, Panda

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1971

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