Seiko Cal. 7057 - 683

The Seiko 7057-683 represents an important milestone in Seiko's 1986 lineup. Powered by the 7057 caliber with 29j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-669ef2ec77f6]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1986

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