Seiko Cal. 0778 - 138

This Spring Drive model from 1978 features a 40mm Gold-Plated case. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-0875d5c72ede]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1978

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