Seiko Cal. 6364 - 398

The 6364-398 is a sought-after Solar piece from Seiko's golden era. Powered by the 6364 caliber with 20j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-9c136db5606f]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1970

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