Seiko Cal. 3899 - 870

The Seiko 3899-870 represents an important milestone in Seiko's 1991 lineup. It features a Cream dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-4d1d992423cc]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1991

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