Seiko Cal. 6617 - 426

The 6617-426 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6617 caliber with 35j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-5c0348dc89af]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1982

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