Seiko Cal. 5261 - 389

The Seiko 5261-389 represents an important milestone in Seiko's 1987 lineup. Powered by the 5261 caliber with 19j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-6bdc30d56cc3]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1987

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