Seiko Cal. 6611 - 731

The 6611-731 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6611 caliber with 26j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-e6f809b84d37]

Also known as: UFO, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1974

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