Seiko Cal. 3890 - 461

The 3890-461 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-d807538a1739]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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