Seiko Cal. 5647 - 928

The Seiko 5647-928 represents an important milestone in Seiko's 1992 lineup. Powered by the 5647 caliber with 20j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-193569e3a557]

Also known as: UFO, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1992

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