Seiko Cal. 6690 - 255

The Seiko 6690-255 represents an important milestone in Seiko's 1996 lineup. Powered by the 6690 caliber with 34j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-5462ad3be81f]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1996

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