Seiko Cal. 6390 - 129

The Seiko 6390-129 represents an important milestone in Seiko's 1970 lineup. Powered by the 6390 caliber with 22j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-a56fc35ce749]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1970

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