Seiko Cal. 6617 - 400

The 6617-400 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6617 caliber with 31j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-cb9bde4bb0c6]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1986

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