Seiko Cal. 6610 - 240

The 6610-240 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6610 caliber with 22j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-20a98d09e721]

Also known as: Shogun, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1984

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