Seiko Cal. 3858 - 642

The Seiko 3858-642 represents an important milestone in Seiko's 1966 lineup. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-fe1559efbf20]

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1966

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