Seiko Cal. 3891 - 504

This Quartz model from 1983 features a 40mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-0fdb75975f28]

Also known as: Turtle, UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1983

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