Seiko Cal. 6618 - 170

The Seiko 6618-170 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-0467cde85c75]

Also known as: UFO, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1978

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