Seiko Cal. 3893 - 959

This Spring Drive model from 1984 features a 46mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-735184432348]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1984

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