Seiko Cal. 6617 - 443

The 6617-443 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6617 caliber with 17j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-47602719f620]

Also known as: World Timer, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

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