Seiko Cal. 5656 - 699

The Seiko 5656-699 represents an important milestone in Seiko's 1981 lineup. Powered by the 5656 caliber with 30j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-853dadfca633]

Also known as: Sumo, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1981

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