Seiko Cal. 6163 - 694

The 6163-694 is a sought-after Solar piece from Seiko's golden era. Powered by the 6163 caliber with 25j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-79151bb7c460]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1978

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