Seiko Cal. 6645 - 290

The 6645-290 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-fe529539b375]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1966

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