Seiko Cal. 3888 - 660

The Seiko 3888-660 represents an important milestone in Seiko's 1967 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-9e7afcbabd3c]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1967

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