Seiko Cal. 6351 - 757

The Seiko 6351-757 represents an important milestone in Seiko's 1980 lineup. Powered by the 6351 caliber with 24j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-72bc647a908a]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1980

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