Seiko Cal. 6645 - 161

Released in 1984, the Cal. 6645 with design code 161 was part of Seiko's domestic market collection. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-234875ccc8ba]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1984

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