Seiko Cal. 6188 - 720

The Seiko 6188-720 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-1e0ed97145dd]

Also known as: Monster, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1972

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