Seiko Cal. 3878 - 237

Released in 1974, the Cal. 3878 with design code 237 was part of Seiko's domestic market collection. With its 22mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-ddd68db70fac]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1974

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