Seiko Cal. 6616 - 864

The 6616-864 is a sought-after Solar piece from Seiko's golden era. Powered by the 6616 caliber with 19j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-9fea6fa3b83c]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1978

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