Seiko Cal. 3891 - 886

This Spring Drive model from 1977 features a 43mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-08addfbd8eec]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1977

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