Seiko Cal. 6658 - 971

The Seiko 6658-971 represents an important milestone in Seiko's 1990 lineup. Powered by the 6658 caliber with 26j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-c47d34b9ce79]

Also known as: Silverwave, World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1990

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