Seiko Cal. 6345 - 431

The Seiko 6345-431 represents an important milestone in Seiko's 1965 lineup. Powered by the 6345 caliber with 20j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-5de75229d252]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1965

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