Seiko Cal. 6658 - 854

The Seiko 6658-854 represents an important milestone in Seiko's 1980 lineup. Powered by the 6658 caliber with 29j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-057c397484a9]

Also known as: Monster, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1980

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