Seiko Cal. 3870 - 424

The Seiko 3870-424 represents an important milestone in Seiko's 1969 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-6f6e829257a1]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1969

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