Seiko Cal. 6658 - 534

The Seiko 6658-534 represents an important milestone in Seiko's 1978 lineup. Powered by the 6658 caliber with 17j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-dd12ea52b5d1]

Also known as: UFO, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1978

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