Seiko Cal. 3870 - 784

The Seiko 3870-784 represents an important milestone in Seiko's 1992 lineup. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-fcd3885913e3]

Also known as: Pogue, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1992

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