Seiko Cal. 5668 - 257

The Seiko 5668-257 represents an important milestone in Seiko's 1971 lineup. Powered by the 5668 caliber with 24j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-01faa75c43c8]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1971

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