Seiko Cal. 5686 - 733

The Seiko 5686-733 represents an important milestone in Seiko's 1976 lineup. Powered by the 5686 caliber with 25j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-9f812a4256f6]

Also known as: UFO, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1976

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