Seiko Cal. 3839 - 916

This Hand-Winding model from 1984 features a 45mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-5454ede8b314]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1984

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