Seiko Cal. 5650 - 366

The 5650-366 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5650 caliber with 25j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-ec5d7b9ec442]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1978

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