Seiko Cal. 6181 - 166

This Quartz model from 1975 features a 40mm PVD Black case. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-8aa6884f4528]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1975

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