Seiko Cal. 3871 - 125

The Seiko 3871-125 represents an important milestone in Seiko's 1973 lineup. It features a White dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-9cf75645a70c]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1973

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