Seiko Cal. 0780 - 218

This Spring Drive model from 1966 features a 46mm Two-Tone case. With its 20mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-b938a47ba57e]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1966

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