Seiko Cal. 6690 - 171

The Seiko 6690-171 represents an important milestone in Seiko's 1998 lineup. Powered by the 6690 caliber with 26j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-454adb3d80eb]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1998

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