Seiko Cal. 6697 - 250

The Seiko 6697-250 represents an important milestone in Seiko's 1989 lineup. Powered by the 6697 caliber with 29j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-a90b8466171b]

Also known as: Helmet, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1989

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