Seiko Cal. 6230 - 635

The 6230-635 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6230 caliber with 28j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-65deb3e8ae6a]

Also known as: UFO, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1979

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