Seiko Cal. 6390 - 129

The Seiko 6390-129 represents an important milestone in Seiko's 1978 lineup. Powered by the 6390 caliber with 23j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-27f3c1eac45b]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1978

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