Seiko Cal. 6645 - 527

The Seiko 6645-527 represents an important milestone in Seiko's 1989 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-63dd34a36d23]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1989

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