Seiko Cal. 5647 - 646

The 5647-646 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5647 caliber with 29j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-6ae4b1797874]

Also known as: UFO, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1984

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