Seiko Cal. 6115 - 646

The Seiko 6115-646 represents an important milestone in Seiko's 1972 lineup. Powered by the 6115 caliber with 28j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-7bb890a602a0]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1972

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