Seiko Cal. 3851 - 900

This Quartz model from 1986 features a 39mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-f5c04b1e89fb]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1986

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