Seiko Cal. 6669 - 598

The 6669-598 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6669 caliber with 18j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-ca9d8e3587c0]

Also known as: Helmet, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1965

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