Seiko Cal. 3868 - 931

Released in 1991, the Cal. 3868 with design code 931 was part of Seiko's domestic market collection. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-86eab6bf3fa5]

Also known as: Helmet, UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1991

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