Seiko Cal. 6653 - 678

The Seiko 6653-678 represents an important milestone in Seiko's 1985 lineup. Powered by the 6653 caliber with 33j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-3f1ddf1d7e5a]

Also known as: Sea Horse, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1985

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