Seiko Cal. 3878 - 323

The Seiko 3878-323 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-8633c54e1a8e]

Also known as: UFO, Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1977

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