Seiko Cal. 3864 - 915

The Seiko 3864-915 represents an important milestone in Seiko's 1970 lineup. It features a Navy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-190f6ac9e1e6]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1970

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