Seiko Cal. 5616 - 590

The 5616-590 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5616 caliber with 35j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-46f6948408b0]

Also known as: UFO, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1976

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