Seiko Cal. 6318 - 647

The Seiko 6318-647 represents an important milestone in Seiko's 1984 lineup. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-a79eb1c06037]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1984

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