Seiko Cal. 5680 - 457

The Seiko 5680-457 represents an important milestone in Seiko's 1970 lineup. Powered by the 5680 caliber with 17j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-c23ea1faee32]

Also known as: Crown, Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1970

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