Seiko Cal. 5617 - 304

The 5617-304 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5617 caliber with 18j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-0c1c5b0a2da3]

Also known as: UFO, Arnie

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1975

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