Seiko Cal. 5678 - 366

Released in 1965, the Cal. 5678 with design code 366 was part of Seiko's domestic market collection. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-893bf98749de]

Also known as: Samurai, Monster

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1965

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