Seiko Cal. 3890 - 421

The Seiko 3890-421 represents an important milestone in Seiko's 1965 lineup. It features a Navy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-5b0cfb35b767]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1965

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