Seiko Cal. 3871 - 642

The 3871-642 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-eb8909084901]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1983

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