Seiko Cal. 6390 - 115

The 6390-115 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6390 caliber with 32j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-0410471ce565]

Also known as: Bellmatic, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1976

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