Seiko Cal. 6689 - 558

The Seiko 6689-558 represents an important milestone in Seiko's 1968 lineup. Powered by the 6689 caliber with 30j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-fe47798b30ea]

Also known as: Monster, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

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