Seiko Cal. 0739 - 647

The 0739-647 is a sought-after Solar piece from Seiko's golden era. Powered by the 0739 caliber with 26j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-75522823d83b]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1974

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