Seiko Cal. 6675 - 421

The 6675-421 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6675 caliber with 23j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-511f08385acf]

Also known as: UFO, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1967

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