Seiko Cal. 3818 - 878

The Seiko 3818-878 represents an important milestone in Seiko's 1975 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e968d638ea0b]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1975

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