Seiko Cal. 5646 - 947

The 5646-947 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5646 caliber with 17j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-df298e7c275d]

Also known as: Panda, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1975

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