Seiko Cal. 5646 - 166

The Seiko 5646-166 represents an important milestone in Seiko's 1985 lineup. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-37ab884d734b]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1985

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