Seiko Cal. 5678 - 398

The 5678-398 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5678 caliber with 30j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-feadc62aea48]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1986

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