Seiko Cal. 6391 - 393

The 6391-393 is a sought-after Solar piece from Seiko's golden era. Powered by the 6391 caliber with 34j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-e2038087d59e]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1990

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