Seiko Cal. 6696 - 553

The Seiko 6696-553 represents an important milestone in Seiko's 1978 lineup. Powered by the 6696 caliber with 22j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-6aea705b4d0e]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1978

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