Seiko Cal. 6691 - 565

The Seiko 6691-565 represents an important milestone in Seiko's 1988 lineup. Powered by the 6691 caliber with 28j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-198509a844a7]

Also known as: Bellmatic, Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1988

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