Seiko Cal. 7061 - 880

This Automatic model from 1968 features a 39mm Stainless Steel case. Powered by the 7061 caliber with 28j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-893a1a9e27e2]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1968

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