Seiko Cal. 3878 - 499

Released in 1966, the Cal. 3878 with design code 499 was part of Seiko's domestic market collection. With its 22mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-60ad33fe10a8]

Also known as: Sumo, Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1966

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