Seiko Cal. 6611 - 423

Released in 1975, the Cal. 6611 with design code 423 was part of Seiko's domestic market collection. Powered by the 6611 caliber with 20j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-344950332a05]

Also known as: Helmet, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1975

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