Seiko Cal. 5686 - 842

The 5686-842 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5686 caliber with 34j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-cae5f850f598]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1987

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