Seiko Cal. 3884 - 712

This Spring Drive model from 1985 features a 40mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-33a3af8ebc95]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1985

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