Seiko Cal. 6697 - 939

The Seiko 6697-939 represents an important milestone in Seiko's 1975 lineup. Powered by the 6697 caliber with 35j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-e79acebf8d21]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1975

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