Seiko Cal. 4551 - 691

The Seiko 4551-691 represents an important milestone in Seiko's 1992 lineup. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-ba9e7904b74b]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1992

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