Seiko Cal. 6668 - 597

The Seiko 6668-597 represents an important milestone in Seiko's 1990 lineup. Powered by the 6668 caliber with 19j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-3ffe6a452974]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1990

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