Seiko Cal. 5651 - 688

The Seiko 5651-688 represents an important milestone in Seiko's 1990 lineup. Powered by the 5651 caliber with 24j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-bf830ab26f10]

Also known as: Rally, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1990

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