Seiko Cal. 3870 - 587

This Automatic model from 1966 features a 46mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-0c8170313810]

Also known as: Shogun, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1966

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