Seiko Cal. 5678 - 428

The 5678-428 is a sought-after Solar piece from Seiko's golden era. Powered by the 5678 caliber with 23j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-0845acd45235]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1977

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