Seiko Cal. 6697 - 100

The Seiko 6697-100 represents an important milestone in Seiko's 1977 lineup. Powered by the 6697 caliber with 34j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-be22ee86dc51]

Also known as: Tuna, Silverwave

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1977

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