Seiko Cal. 6138 - 663

The Seiko 6138-663 represents an important milestone in Seiko's 1982 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-a741d41e60ca]

Also known as: Tuna, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1982

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