Seiko Cal. 5680 - 723

The 5680-723 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5680 caliber with 31j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-460be53116f9]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1985

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