Seiko Cal. 3878 - 350

Released in 1974, the Cal. 3878 with design code 350 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-fda8eee40686]

Also known as: Monster, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1974

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