Seiko Cal. 6399 - 232

The 6399-232 is a sought-after Solar piece from Seiko's golden era. Powered by the 6399 caliber with 21j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-781160a949a3]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1984

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