Seiko Cal. 6389 - 864

The 6389-864 is a sought-after Solar piece from Seiko's golden era. Powered by the 6389 caliber with 33j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-7e0115ab8a68]

Also known as: Samurai, Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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