Seiko Cal. 3871 - 535

The Seiko 3871-535 represents an important milestone in Seiko's 1971 lineup. It features a Silver dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-0d3263797a9b]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1971

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