Seiko Cal. 6390 - 466

This Spring Drive model from 1965 features a 38mm Titanium case. Powered by the 6390 caliber with 19j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-f448505e3f14]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1965

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