Seiko Cal. 5616 - 304

The 5616-304 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5616 caliber with 27j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-de5983aaf1b8]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1967

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