Seiko Cal. 5678 - 305

The 5678-305 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5678 caliber with 31j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-254afe62b500]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1974

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