Seiko Cal. 3877 - 143

The Seiko 3877-143 represents an important milestone in Seiko's 1970 lineup. It features a White dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-ce74ec662569]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1970

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