Seiko Cal. 6617 - 821

The 6617-821 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6617 caliber with 24j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-5a242ffe2ff8]

Also known as: Navigator, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1997

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