Seiko Cal. 7111 - 287

The Seiko 7111-287 represents an important milestone in Seiko's 1979 lineup. Powered by the 7111 caliber with 31j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-59e866f52160]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1979

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