Seiko Cal. 6618 - 993

The Seiko 6618-993 represents an important milestone in Seiko's 1999 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-f98e6919e8a5]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1999

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