Seiko Cal. 6645 - 147

The Seiko 6645-147 represents an important milestone in Seiko's 1981 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d23acf279061]

Also known as: Helmet, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1981

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