Seiko Cal. 3817 - 423

The Seiko 3817-423 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-305fb49c01f9]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

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