Seiko Cal. 5686 - 673

The Seiko 5686-673 represents an important milestone in Seiko's 1978 lineup. Powered by the 5686 caliber with 23j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-7a4953b56834]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

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