Seiko Cal. 5678 - 455

The 5678-455 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5678 caliber with 35j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-b704e43cab1d]

Also known as: Tuna, Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1987

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