Seiko Cal. 6188 - 438

The Seiko 6188-438 represents an important milestone in Seiko's 1981 lineup. With its 19mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-0b119b554035]

Also known as: Silverwave, World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1981

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