Seiko Cal. 6610 - 358

The 6610-358 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6610 caliber with 32j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-81092209e4f4]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

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