Seiko Cal. 6151 - 423

The Seiko 6151-423 represents an important milestone in Seiko's 1977 lineup. Powered by the 6151 caliber with 29j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-cae03a9e2df7]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1977

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