Seiko Cal. 3871 - 185

The 3871-185 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-b54dc6bf167c]

Also known as: UFO, Silverwave

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1978

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