Seiko Cal. 6678 - 537

The Seiko 6678-537 represents an important milestone in Seiko's 1986 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a18b3db261fc]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1986

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