Seiko Cal. 5233 - 166

The Seiko 5233-166 represents an important milestone in Seiko's 1979 lineup. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-383124542452]

Also known as: Tuna, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1979

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