Seiko Cal. 3891 - 200

This Hand-Winding model from 1966 features a 39mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-fe9f108bc4f3]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1966

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