Seiko Cal. 3871 - 506

The Seiko 3871-506 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-4a62fd39fe94]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1977

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