Seiko Cal. 6390 - 336

This Automatic model from 1991 features a 35mm Two-Tone case. Powered by the 6390 caliber with 22j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-37f6cec468f7]

Also known as: UFO, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1991

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