Seiko Cal. 6689 - 270

The Seiko 6689-270 represents an important milestone in Seiko's 1990 lineup. Powered by the 6689 caliber with 18j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-32b1f3c39e97]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1990

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