Seiko Cal. 6610 - 957

The 6610-957 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6610 caliber with 33j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-3639ad628999]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1974

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