Seiko Cal. 6689 - 654

The Seiko 6689-654 represents an important milestone in Seiko's 1997 lineup. Powered by the 6689 caliber with 29j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-e2f4f6b5e22b]

Also known as: Sumo, Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1997

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