Seiko Cal. 3878 - 749

The Seiko 3878-749 represents an important milestone in Seiko's 1976 lineup. It features a Black dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-440d41f35bf8]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1976

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