Seiko Cal. 5678 - 928

This Solar model from 1969 features a 36mm PVD Black case. Powered by the 5678 caliber with 23j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-83c783d4efde]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1969

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