Seiko Cal. 5680 - 326

The 5680-326 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5680 caliber with 28j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-938bcd34824b]

Also known as: Helmet, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1989

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