Seiko Cal. 6318 - 366

The Seiko 6318-366 represents an important milestone in Seiko's 1981 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-46c00af1ff24]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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